Update runtime files
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 26b6683..a82bf82 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 8.2.  Last change: 2021 Aug 28
+*options.txt*	For Vim version 8.2.  Last change: 2021 Sep 06
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -7176,6 +7176,8 @@
 	If the name "cjk" is included East Asian characters are excluded from
 	spell checking.  This is useful when editing text that also has Asian
 	words.
+	Note that the "medical" dictionary does not exist, it is just an
+	example of a longer name.
 							*E757*
 	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