runtime: Fix typos in various files

closes: #12836

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Viktor Szépe <viktor@szepe.net>
diff --git a/runtime/syntax/lss.vim b/runtime/syntax/lss.vim
index 6ee717b..eceaf75 100644
--- a/runtime/syntax/lss.vim
+++ b/runtime/syntax/lss.vim
@@ -9,7 +9,7 @@
 endif
 
 " This setup is probably atypical for a syntax highlighting file, because
-" most of it is not really intended to be overrideable.  Instead, the
+" most of it is not really intended to be overridable.  Instead, the
 " highlighting is supposed to correspond to the highlighting specified by
 " the .lss file entries themselves; ie. the "bold" keyword should be bold,
 " the "red" keyword should be red, and so forth.  The exceptions to this