--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 7.0aa.  Last change: 2005 Jul 11
+*options.txt*	For Vim version 7.0aa.  Last change: 2005 Jul 18
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -5700,11 +5700,14 @@ A jump table for the options with a shor
 	region by listing them: "en_us,en_ca" supports both US and Canadian
 	English, but not words specific for Australia, New Zealand or Great
 	Britain.
-	As a special case the name of a .spl file can be given as-is.  This is
-	mainly for testing purposes.  You must make sure the correct encoding
-	is used, Vim doesn't check it.
+	As a special case the name of a .spl file can be given as-is.  The
+	first "_xx" in the name is removed and used as the region name
+	(_xx is an underscore, two letters and followed by a non-letter).
+	This is mainly for testing purposes.  You must make sure the correct
+	encoding is used, Vim doesn't check it.
 	When 'encoding' is set the word lists are reloaded.  Thus it's a good
-	idea to set 'spelllang' after setting 'encoding'.
+	idea to set 'spelllang' after setting 'encoding' to avoid loading the
+	files twice.
 	How the related spell files are found is explained here: |spell-load|.
 
 						*'spellsuggest'* *'sps'*
@@ -6021,10 +6024,9 @@ A jump table for the options with a shor
 			{not in Vi}
 			{not available when compiled without the |+syntax|
 			feature}
-	Maximum column in which to search for syntax items.  With longer lines
-	some parts may not be highlighted and following text may not be
-	highlighted correctly (e.g., when the start or end of a region is not
-	recognized because it is beyond 'synmaxcol').
+	Maximum column in which to search for syntax items.  In long lines the
+	text after this column is not highlighted and following lines may not
+	be highlighted correctly, because the syntax state is cleared.
 	This helps to avoid very slow redrawing for an XML file that is one
 	long line.
 	Set to zero to remove the limit.