Update runtime files.
diff --git a/runtime/autoload/getscript.vim b/runtime/autoload/getscript.vim
index 8f854b9..a266a55 100644
--- a/runtime/autoload/getscript.vim
+++ b/runtime/autoload/getscript.vim
@@ -236,7 +236,7 @@
 "    call Decho("..depscript<".depscript.">")
 
     " found a "GetLatestVimScripts: # #" line in the script;
-    " check if its already in the datafile by searching backwards from llp1,
+    " check if it's already in the datafile by searching backwards from llp1,
     " the (prior to reading in the plugin script) last line plus one of the GetLatestVimScripts.dat file,
     " for the script-id with no wrapping allowed.
     let curline     = line(".")
diff --git a/runtime/autoload/tar.vim b/runtime/autoload/tar.vim
index 3ed34fd..9f96094 100644
--- a/runtime/autoload/tar.vim
+++ b/runtime/autoload/tar.vim
@@ -121,7 +121,7 @@
   if !filereadable(a:tarfile)
 "   call Decho('a:tarfile<'.a:tarfile.'> not filereadable')
    if a:tarfile !~# '^\a\+://'
-    " if its an url, don't complain, let url-handlers such as vim do its thing
+    " if it's an url, don't complain, let url-handlers such as vim do its thing
     redraw!
 "    call Decho("***error*** (tar#Browse) File not readable<".a:tarfile.">")
     echohl Error | echo "***error*** (tar#Browse) File not readable<".a:tarfile.">" | echohl None
diff --git a/runtime/autoload/zip.vim b/runtime/autoload/zip.vim
index 874f445..d6bde99 100644
--- a/runtime/autoload/zip.vim
+++ b/runtime/autoload/zip.vim
@@ -65,14 +65,14 @@
 " zip#Browse: {{{2
 fun! zip#Browse(zipfile)
 "  call Dfunc("zip#Browse(zipfile<".a:zipfile.">)")
-  " sanity check: insure that the zipfile has "PK" as its first two letters
+  " sanity check: ensure that the zipfile has "PK" as its first two letters
   "               (zipped files have a leading PK as a "magic cookie")
   if !filereadable(a:zipfile) || readfile(a:zipfile, "", 1)[0] !~ '^PK'
    exe "noswapfile noautocmd noswapfile e ".fnameescape(a:zipfile)
 "   call Dret("zip#Browse : not a zipfile<".a:zipfile.">")
    return
 "  else        " Decho
-"   call Decho("zip#Browse: a:zipfile<".a:zipfile."> passed PK test - its a zip file")
+"   call Decho("zip#Browse: a:zipfile<".a:zipfile."> passed PK test - it's a zip file")
   endif
 
   let repkeep= &report
@@ -95,7 +95,7 @@
   endif
   if !filereadable(a:zipfile)
    if a:zipfile !~# '^\a\+://'
-    " if its an url, don't complain, let url-handlers such as vim do its thing
+    " if it's an url, don't complain, let url-handlers such as vim do its thing
     redraw!
     echohl Error | echo "***error*** (zip#Browse) File not readable<".a:zipfile.">" | echohl None
 "    call inputsave()|call input("Press <cr> to continue")|call inputrestore()