diff --git a/runtime/syntax/2html.vim b/runtime/syntax/2html.vim
index 13504ed..ea9db15 100644
--- a/runtime/syntax/2html.vim
+++ b/runtime/syntax/2html.vim
@@ -499,7 +499,7 @@
     endif
   elseif s:settings.line_ids
     " if lines are not being numbered the only reason this function gets called
-    " is to put the line IDs on each line; "text" will be emtpy but lnr will
+    " is to put the line IDs on each line; "text" will be empty but lnr will
     " always be non-zero, however we don't want to use the <input> because that
     " won't work as nice for empty text
     function! s:HtmlFormat_n(text, style_id, diff_style_id, lnr)
@@ -1034,7 +1034,7 @@
   " ProgressBar Indicator
   let s:progressbar={}
 
-  " Progessbar specific functions
+  " Progressbar specific functions
 
   func! s:SetProgbarColor()
     if hlID("TOhtmlProgress") != 0
diff --git a/runtime/syntax/abel.vim b/runtime/syntax/abel.vim
index 67d7e4f..dbed541 100644
--- a/runtime/syntax/abel.vim
+++ b/runtime/syntax/abel.vim
@@ -59,7 +59,7 @@
 syn match  abelTypeIdChar "[,']" contained
 syn match  abelTypeIdEnd  ";" contained
 
-" string contstants and special characters within them
+" string constants and special characters within them
 syn match  abelSpecial contained "\\['\\]"
 syn region abelString start=+'+ skip=+\\"+ end=+'+ contains=abelSpecial
 
diff --git a/runtime/syntax/ada.vim b/runtime/syntax/ada.vim
index c9d2b06..415c952 100644
--- a/runtime/syntax/ada.vim
+++ b/runtime/syntax/ada.vim
@@ -159,7 +159,7 @@
 
 " Section: end {{{1
 " Unless special ("end loop", "end if", etc.), "end" marks the end of a
-" begin, package, task etc. Assiging it to adaEnd.
+" begin, package, task etc. Assigning it to adaEnd.
 syntax match    adaEnd	/\<end\>/
 
 syntax keyword  adaPreproc		 pragma
diff --git a/runtime/syntax/ahdl.vim b/runtime/syntax/ahdl.vim
index 664bd38..3a40dcf 100644
--- a/runtime/syntax/ahdl.vim
+++ b/runtime/syntax/ahdl.vim
@@ -38,7 +38,7 @@
 
 syn keyword ahdlTodo contained TODO
 
-" String contstants
+" String constants
 syn region ahdlString start=+"+  skip=+\\"+  end=+"+
 
 " valid integer number formats (decimal, binary, octal, hex)
diff --git a/runtime/syntax/aspvbs.vim b/runtime/syntax/aspvbs.vim
index 8b4443b..44909b6 100644
--- a/runtime/syntax/aspvbs.vim
+++ b/runtime/syntax/aspvbs.vim
@@ -34,7 +34,7 @@
 
 
 " Functions and methods that are in VB but will cause errors in an ASP page
-" This is helpfull if your porting VB code to ASP
+" This is helpful if your porting VB code to ASP
 " I removed (Count, Item) because these are common variable names in AspVBScript
 syn keyword AspVBSError contained Val Str CVar CVDate DoEvents GoSub Return GoTo
 syn keyword AspVBSError contained Stop LinkExecute Add Type LinkPoke
@@ -56,7 +56,7 @@
 syn match AspVBSError contained "Respon\?ce\.\S*"
 syn match AspVBSError contained "Respose\.\S*"
 " When I looked up the VBScript syntax it mentioned that Property Get/Set/Let
-" statements are illegal, however, I have recived reports that they do work.
+" statements are illegal, however, I have received reports that they do work.
 " So I commented it out for now.
 " syn match AspVBSError contained "\<Property\s\+\(Get\|Let\|Set\)\>"
 
@@ -108,7 +108,7 @@
 " Colorize boolean constants:
 syn keyword AspVBSMethods contained true false
 
-" AspVBScript Number Contstants
+" AspVBScript Number Constants
 " Integer number, or floating point number without a dot.
 syn match  AspVBSNumber	contained	"\<\d\+\>"
 " Floating point number, with dot
@@ -116,7 +116,7 @@
 " Floating point number, starting with a dot
 syn match  AspVBSNumber	contained	"\.\d\+\>"
 
-" String and Character Contstants
+" String and Character Constants
 " removed (skip=+\\\\\|\\"+) because VB doesn't have backslash escaping in
 " strings (or does it?)
 syn region  AspVBSString	contained	  start=+"+  end=+"+ keepend
@@ -143,7 +143,7 @@
 syn region AspVBSFold start="^\s*\(class\)\s\+.*$" end="^\s*end\s\+\(class\)\>.*$" fold contained transparent keepend
 syn region AspVBSFold start="^\s*\(private\|public\)\=\(\s\+default\)\=\s\+\(sub\|function\)\s\+.*$" end="^\s*end\s\+\(function\|sub\)\>.*$" fold contained transparent keepend
 
-" Define AspVBScript delimeters
+" Define AspVBScript delimiters
 " <%= func("string_with_%>_in_it") %> This is illegal in ASP syntax.
 syn region  AspVBScriptInsideHtmlTags keepend matchgroup=Delimiter start=+<%=\=+ end=+%>+ contains=@AspVBScriptTop, AspVBSFold
 syn region  AspVBScriptInsideHtmlTags keepend matchgroup=Delimiter start=+<script\s\+language="\=vbscript"\=[^>]*\s\+runatserver[^>]*>+ end=+</script>+ contains=@AspVBScriptTop
diff --git a/runtime/syntax/cfg.vim b/runtime/syntax/cfg.vim
index a50297d..f347b13 100644
--- a/runtime/syntax/cfg.vim
+++ b/runtime/syntax/cfg.vim
@@ -32,7 +32,7 @@
 syn match  CfgComment	";.*"
 syn match  CfgComment	"\/\/.*"
 
-" Define the default hightlighting.
+" Define the default highlighting.
 " Only when an item doesn't have highlighting yet
 hi def link CfgOnOff     Label
 hi def link CfgComment	Comment
diff --git a/runtime/syntax/csc.vim b/runtime/syntax/csc.vim
index 6e5d8b9..b1bc4d6 100644
--- a/runtime/syntax/csc.vim
+++ b/runtime/syntax/csc.vim
@@ -141,7 +141,7 @@
 sy	match	cscBPMacro	contained	"!"
 sy	match	cscBPW	"!\s*\a*"	contains=cscBPmacro
 
-" when wanted, highlighting lhs members or erros in asignments (may lag the editing)
+" when wanted, highlighting lhs members or errors in assignments (may lag the editing)
 if exists("csc_asignment")
 	sy	match	cscEqError	'\("[^"]*"\s*\|[^][\t !%()*+,--/:;<=>{}~]\+\s*\|->\s*\)*=\([^=]\@=\|$\)'
 	sy	region	cscFormula	transparent matchgroup=cscVarName start='\("[^"]*"\|[^][\t !%()*+,--/:;<=>{}~]\+\)\s*=\([^=]\@=\|\n\)' skip='"[^"]*"' end=';' contains=ALLBUT,cscFormula,cscFormulaIn,cscBPMacro,cscCondition
diff --git a/runtime/syntax/cupl.vim b/runtime/syntax/cupl.vim
index 5b93b0d..54495f8 100644
--- a/runtime/syntax/cupl.vim
+++ b/runtime/syntax/cupl.vim
@@ -23,7 +23,7 @@
 " cuplHeaderContents uses default highlighting except for numbers
 syn match cuplHeaderContents ".\+;"me=e-1 contains=cuplNumber contained
 
-" String contstants
+" String constants
 syn region cuplString start=+'+ end=+'+
 syn region cuplString start=+"+ end=+"+
 
diff --git a/runtime/syntax/dosbatch.vim b/runtime/syntax/dosbatch.vim
index 249e6f7..f003a65 100644
--- a/runtime/syntax/dosbatch.vim
+++ b/runtime/syntax/dosbatch.vim
@@ -1,5 +1,5 @@
 " Vim syntax file
-" Language:	MSDOS batch file (with NT command extensions)
+" Language:	MS-DOS batch file (with NT command extensions)
 " Maintainer:	Mike Williams <mrw@eandem.co.uk>
 " Filenames:    *.bat
 " Last Change:	6th September 2009
diff --git a/runtime/syntax/doxygen.vim b/runtime/syntax/doxygen.vim
index cfd5452..167b17c 100644
--- a/runtime/syntax/doxygen.vim
+++ b/runtime/syntax/doxygen.vim
@@ -1,4 +1,4 @@
-" DoxyGen syntax hilighting extension for c/c++/idl/java
+" DoxyGen syntax highlighting extension for c/c++/idl/java
 " Language:     doxygen on top of c, cpp, idl, java, php
 " Maintainer:   Michael Geddes <vimmer@frog.wheelycreek.net>
 " Author:       Michael Geddes
@@ -54,7 +54,7 @@
 try
   set cpo&vim
 
-  " Start of Doxygen syntax hilighting:
+  " Start of Doxygen syntax highlighting:
   "
 
   " C/C++ Style line comments
@@ -256,7 +256,7 @@
   syn match doxygenLinkRest +[^*@\\]\|\*/\@!\|[@\\]\(endlink\>\)\@!+ contained skipnl nextgroup=doxygenLinkRest,doxygenContinueLinkComment
   syn match doxygenContinueLinkComment contained +^\s*\*\=[^/]+me=e-1 nextgroup=doxygenLinkRest
   syn match doxygenLinkError "\*/" contained
-  " #Link hilighting.
+  " #Link highlighting.
   syn match doxygenHashLink /\(\h\w*\)\?#\(\.\w\@=\|\w\+\|::\|()\)\+/ contained contains=doxygenHashSpecial
   syn match doxygenHashSpecial /#/ contained
   syn match doxygenHyperLink /\(\s\|^\s*\*\?\)\@<=\(http\|https\|ftp\):\/\/[-0-9a-zA-Z_?&=+#%/.!':;@~]\+/ contained
@@ -306,7 +306,7 @@
   syn region doxygenFormula contained matchgroup=doxygenFormulaEnds start=+f\[+ end=+[@\\]f]+ contains=doxygenFormulaSpecial,doxygenFormulaOperator,doxygenAtom
   syn region doxygenAtom contained transparent matchgroup=doxygenFormulaOperator start=+{+ end=+}+ contains=doxygenAtom,doxygenFormulaSpecial,doxygenFormulaOperator
 
-  " Add TODO hilighting.
+  " Add TODO highlighting.
   syn keyword doxygenTODO contained TODO README XXX FIXME
 
   " Supported HTML subset.  Not perfect, but okay.
diff --git a/runtime/syntax/focexec.vim b/runtime/syntax/focexec.vim
index a75aed4..187fd50 100644
--- a/runtime/syntax/focexec.vim
+++ b/runtime/syntax/focexec.vim
@@ -8,7 +8,7 @@
 " this is a very simple syntax file - I will be improving it
 " one thing is how to do computes
 " I don't like that &vars and FUSE() functions highlight to the same color
-" I think some of these things should get different hilights -
+" I think some of these things should get different highlights -
 "  should MODIFY commands look different than TABLE?
 
 " quit when a syntax file was already loaded
diff --git a/runtime/syntax/forth.vim b/runtime/syntax/forth.vim
index 9b39a7f..721bceb 100644
--- a/runtime/syntax/forth.vim
+++ b/runtime/syntax/forth.vim
@@ -181,7 +181,7 @@
 syn match forthInteger '\<-\=[0-9]\+.\=\>'
 syn match forthInteger '\<&-\=[0-9]\+.\=\>'
 " recognize hex and binary numbers, the '$' and '%' notation is for gforth
-syn match forthInteger '\<\$\x*\x\+\>' " *1* --- dont't mess
+syn match forthInteger '\<\$\x*\x\+\>' " *1* --- don't mess
 syn match forthInteger '\<\x*\d\x*\>'  " *2* --- this order!
 syn match forthInteger '\<%[0-1]*[0-1]\+\>'
 syn match forthFloat '\<-\=\d*[.]\=\d\+[DdEe]\d\+\>'
diff --git a/runtime/syntax/hamster.vim b/runtime/syntax/hamster.vim
index 64d9598..975562d 100644
--- a/runtime/syntax/hamster.vim
+++ b/runtime/syntax/hamster.vim
@@ -9,7 +9,7 @@
 " It allows the use of multiple news- and mailserver and combines them to one
 " mail- and newsserver for the news/mail-client. It load faster than a normal
 " newsreader because many threads can run simultaneous. It contains scorefile
-" for news and mail, a build-in script language, the GUI allows translation to
+" for news and mail, a built-in script language, the GUI allows translation to
 " other languages, it can be used in a network and that's not all features...
 "
 " quit when a syntax file was already loaded
diff --git a/runtime/syntax/idl.vim b/runtime/syntax/idl.vim
index 6a4ce7e..2f20dec 100644
--- a/runtime/syntax/idl.vim
+++ b/runtime/syntax/idl.vim
@@ -7,7 +7,7 @@
 
 " This is an experiment.  IDL's structure is simple enough to permit a full
 " grammar based approach to rather than using a few heuristics.  The result
-" is large and somewhat repetative but seems to work.
+" is large and somewhat repetitive but seems to work.
 
 " There are some Microsoft extensions to idl files that are here.  Some of
 " them are disabled by defining idl_no_ms_extensions.
diff --git a/runtime/syntax/iss.vim b/runtime/syntax/iss.vim
index e41de5d..34bb698 100644
--- a/runtime/syntax/iss.vim
+++ b/runtime/syntax/iss.vim
@@ -2,10 +2,10 @@
 " Language:             Inno Setup File (iss file) and My InnoSetup extension
 " Maintainer:           Jason Mills (jmills@cs.mun.ca)
 " Previous Maintainer:  Dominique Stéphan (dominique@mggen.com)
-" Last Change:          2019 Sep 27
+" Last Change:          2021 Aug 30
 "
 " Todo:
-"  - The paramter String: is matched as flag string (because of case ignore).
+"  - The parameter String: is matched as flag string (because of case ignore).
 "  - Pascal scripting syntax is not recognized.
 "  - Embedded double quotes confuse string matches. e.g. "asfd""asfa"
 
diff --git a/runtime/syntax/mma.vim b/runtime/syntax/mma.vim
index 0683adc..d2f22e9 100644
--- a/runtime/syntax/mma.vim
+++ b/runtime/syntax/mma.vim
@@ -12,7 +12,7 @@
 "
 "       let filetype_m="mma"
 "
-" I also recommend setting the default 'Comment' hilighting to something
+" I also recommend setting the default 'Comment' highlighting to something
 " other than the color used for 'Function', since both are plentiful in
 " most mathematica files, and they are often the same color (when using
 " background=dark).
@@ -109,7 +109,7 @@
 syntax region mmaComment start=+(\*+ end=+\*)+ skipempty contains=@mmaNotes,mmaItem,@mmaCommentStrings,mmaemPHAsis,mmaComment
 
 " Function Comments:
-"   just like a normal comment except the first sentance is Special ala Java
+"   just like a normal comment except the first sentence is Special ala Java
 "   (** *)
 "   TODO - fix this for nesting, or not...
 syntax region mmaFunctionComment start="(\*\*\+" end="\*\+)" contains=@mmaNotes,mmaItem,mmaFunctionTitle,@mmaCommentStrings,mmaemPHAsis,mmaComment
diff --git a/runtime/syntax/objc.vim b/runtime/syntax/objc.vim
index b29313a..7c6e2d5 100644
--- a/runtime/syntax/objc.vim
+++ b/runtime/syntax/objc.vim
@@ -64,7 +64,7 @@
 " ObjC type specifier
 syn keyword objcTypeSpecifier __kindof __covariant
 
-" ObjC Type Infomation Parameters
+" ObjC Type Information Parameters
 syn keyword objcTypeInfoParams ObjectType KeyType
 
 " shorthand
diff --git a/runtime/syntax/postscr.vim b/runtime/syntax/postscr.vim
index 00418f5..5af57aa 100644
--- a/runtime/syntax/postscr.vim
+++ b/runtime/syntax/postscr.vim
@@ -6,7 +6,7 @@
 " URL:          http://www.eandem.co.uk/mrw/vim
 "
 " Options Flags:
-" postscr_level                 - language level to use for highligting (1, 2, or 3)
+" postscr_level                 - language level to use for highlighting (1, 2, or 3)
 " postscr_display               - include display PS operators
 " postscr_ghostscript           - include GS extensions
 " postscr_fonts                 - highlight standard font names (a lot for PS 3)
@@ -469,12 +469,12 @@
   syn keyword postscrConstant   contained SubsVector UnderlineThickness FamilyName FontBBox CurMID
   syn keyword postscrConstant   contained Weight
 
-" PS2 User paramters
+" PS2 User parameters
   syn keyword postscrConstant   contained MaxFontItem MinFontCompress MaxUPathItem MaxFormItem MaxPatternItem
   syn keyword postscrConstant   contained MaxScreenItem MaxOpStack MaxDictStack MaxExecStack MaxLocalVM
   syn keyword postscrConstant   contained VMReclaim VMThreshold
 
-" PS2 System paramters
+" PS2 System parameters
   syn keyword postscrConstant   contained SystemParamsPassword StartJobPassword BuildTime ByteOrder RealFormat
   syn keyword postscrConstant   contained MaxFontCache CurFontCache MaxOutlineCache CurOutlineCache
   syn keyword postscrConstant   contained MaxUPathCache CurUPathCache MaxFormCache CurFormCache
@@ -496,15 +496,15 @@
 " Page duplexing operators
   syn keyword postscrL2Operator   duplexmode firstside newsheet setduplexmode settumble tumble
 
-" Device compatability operators
+" Device compatibility operators
   syn keyword postscrL2Operator   devdismount devformat devmount devstatus
   syn keyword postscrL2Repeat     devforall
 
-" Imagesetter compatability operators
+" Imagesetter compatibility operators
   syn keyword postscrL2Operator   accuratescreens checkscreen pagemargin pageparams setaccuratescreens setpage
   syn keyword postscrL2Operator   setpagemargin setpageparams
 
-" Misc compatability operators
+" Misc compatibility operators
   syn keyword postscrL2Operator   appletalktype buildtime byteorder checkpassword defaulttimeouts diskonline
   syn keyword postscrL2Operator   diskstatus manualfeed manualfeedtimeout margins mirrorprint pagecount
   syn keyword postscrL2Operator   pagestackorder printername processcolors sethardwareiomode setjobtimeout
diff --git a/runtime/syntax/sgml.vim b/runtime/syntax/sgml.vim
index d60040c..00d58d1 100644
--- a/runtime/syntax/sgml.vim
+++ b/runtime/syntax/sgml.vim
@@ -174,7 +174,7 @@
 " SGML specific
 " abbreviated regions
 "
-" No highlighing, highlighing is done by contained elements.
+" No highlighting, highlighting is done by contained elements.
 "
 " PROVIDES: @sgmlRegionHook
 "
@@ -192,7 +192,7 @@
 " real (non-empty) elements. We cannot do syntax folding
 " as in xml, because end tags may be optional in sgml depending
 " on the dtd.
-" No highlighing, highlighing is done by contained elements.
+" No highlighting, highlighting is done by contained elements.
 "
 " PROVIDES: @sgmlRegionHook
 "
@@ -225,7 +225,7 @@
 "
 " <tag id="lola"/>
 "
-" TODO use sgmlEmptyTag intead of sgmlTag
+" TODO use sgmlEmptyTag instead of sgmlTag
 syn match    sgmlEmptyRegion
     \ +<[^ /!?>"']\(\_[^"'<>]\|"\_[^"]*"\|'\_[^']*'\)*/>+
     \ contains=sgmlEmptyTag
diff --git a/runtime/syntax/spup.vim b/runtime/syntax/spup.vim
index e5f58be..9284abf 100644
--- a/runtime/syntax/spup.vim
+++ b/runtime/syntax/spup.vim
@@ -25,7 +25,7 @@
 let s:cpo_save = &cpo
 set cpo&vim
 
-" don't hightlight several keywords like subsections
+" don't highlight several keywords like subsections
 "let strict_subsections = 1
 
 " highlight types usually found in DECLARE section
@@ -35,7 +35,7 @@
 
 " one line comment syntax (# comments)
 " 1. allow appended code after comment, do not complain
-" 2. show code beginnig with the second # as an error
+" 2. show code beginning with the second # as an error
 " 3. show whole lines with more than one # as an error
 if !exists("oneline_comments")
     let oneline_comments = 2
@@ -177,7 +177,7 @@
 syn cluster spupOrdinary  add=spupError,spupString,spupComment
 syn cluster spupTextproc  contains=spupTextprocGeneric,spupTextprocError
 
-" define syncronizing; especially OPERATION sections can become very large
+" define synchronizing; especially OPERATION sections can become very large
 syn sync clear
 syn sync minlines=100
 syn sync maxlines=500
diff --git a/runtime/syntax/st.vim b/runtime/syntax/st.vim
index 8160c77..ffa7820 100644
--- a/runtime/syntax/st.vim
+++ b/runtime/syntax/st.vim
@@ -44,7 +44,7 @@
 
 syn case ignore
 
-" the symols prefixed by a '#'
+" the symbols prefixed by a '#'
 syn match  stSymbol	"\(#\<[a-z_][a-z0-9_]*\>\)"
 syn match  stSymbol	"\(#'[^']*'\)"
 
@@ -58,7 +58,7 @@
 
 syn case match
 
-" a try to higlight paren mismatches
+" a try to highlight paren mismatches
 syn region stParen	transparent start='(' end=')' contains=ALLBUT,stParenError
 syn match  stParenError	")"
 syn region stBlock	transparent start='\[' end='\]' contains=ALLBUT,stBlockError
diff --git a/runtime/syntax/tcl.vim b/runtime/syntax/tcl.vim
index 04dbbd2..64efd6f 100644
--- a/runtime/syntax/tcl.vim
+++ b/runtime/syntax/tcl.vim
@@ -168,7 +168,7 @@
 
 " PACK
 " commands associated with pack
-syn keyword tcltkPackSwitch	contained	forget info propogate slaves
+syn keyword tcltkPackSwitch	contained	forget info propagate slaves
 syn keyword tcltkPackConfSwitch	contained	after anchor before expand fill in ipadx ipady padx pady side
 syn region tcltkCommand matchgroup=tcltkCommandColor start="\<pack\>" matchgroup=NONE skip="^\s*$" end="]\|[^\\]*\s*$"he=e-1  contains=tclLineContinue,tcltkPackSwitch,tcltkPackConf,tcltkPackConfSwitch,tclNumber,tclVarRef,tclString,tcltkCommand keepend
 
diff --git a/runtime/syntax/tmux.vim b/runtime/syntax/tmux.vim
index d541998..4f435ab 100644
--- a/runtime/syntax/tmux.vim
+++ b/runtime/syntax/tmux.vim
@@ -8,7 +8,7 @@
     finish
 endif
 
-" Explicitly change compatiblity options to Vim's defaults because this file
+" Explicitly change compatibility options to Vim's defaults because this file
 " uses line continuations.
 let s:original_cpo = &cpo
 set cpo&vim