Mainly documentation updates.
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 418b64c..6d14f43 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1929,7 +1929,7 @@
:let pascal_no_functions=1
-Furthermore, there are specific variable for some compiler. Besides
+Furthermore, there are specific variables for some compilers. Besides
pascal_delphi, there are pascal_gpc and pascal_fpc. Default extensions try to
match Turbo Pascal. >
@@ -2683,7 +2683,7 @@
VIM *vim.vim* *ft-vim-syntax*
*g:vimsyn_minlines* *g:vimsyn_maxlines*
-There is a tradeoff between more accurate syntax highlighting versus screen
+There is a trade-off between more accurate syntax highlighting versus screen
updating speed. To improve accuracy, you may wish to increase the
g:vimsyn_minlines variable. The g:vimsyn_maxlines variable may be used to
improve screen updating rates (see |:syn-sync| for more on this). >