Update runtime files.
diff --git a/runtime/doc/spell.txt b/runtime/doc/spell.txt
index 2b096e3..18db324 100644
--- a/runtime/doc/spell.txt
+++ b/runtime/doc/spell.txt
@@ -1,4 +1,4 @@
-*spell.txt*	For Vim version 8.1.  Last change: 2018 Mar 29
+*spell.txt*	For Vim version 8.1.  Last change: 2019 Jan 09
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -577,7 +577,7 @@
 	vimdiff xx_YY.orig.dic xx_YY.new.dic
 3. Take over the changes you like in xx_YY.dic.
    You may also need to change xx_YY.aff.
-4. Rename xx_YY.new.dic to xx_YY.orig.dic and xx_YY.new.aff to xx_YY.new.aff.
+4. Rename xx_YY.new.dic to xx_YY.orig.dic and xx_YY.new.aff to xx_YY.orig.aff.
 
 
 SPELL FILE VERSIONS					*E770* *E771* *E772*