Update runtime files.
diff --git a/runtime/doc/spell.txt b/runtime/doc/spell.txt
index cee9e01..c7c83aa 100644
--- a/runtime/doc/spell.txt
+++ b/runtime/doc/spell.txt
@@ -312,25 +312,25 @@
   spell file is used.
 
 For example, with these values:
-	'runtimepath' is "~/.vim,/usr/share/vim70,~/.vim/after"
+	'runtimepath' is "~/.vim,/usr/share/vim81,~/.vim/after"
 	'encoding'    is "iso-8859-2"
 	'spelllang'   is "pl"
 
 Vim will look for:
 1. ~/.vim/spell/pl.iso-8859-2.spl
-2. /usr/share/vim70/spell/pl.iso-8859-2.spl
+2. /usr/share/vim81/spell/pl.iso-8859-2.spl
 3. ~/.vim/spell/pl.iso-8859-2.add.spl
-4. /usr/share/vim70/spell/pl.iso-8859-2.add.spl
+4. /usr/share/vim81/spell/pl.iso-8859-2.add.spl
 5. ~/.vim/after/spell/pl.iso-8859-2.add.spl
 
 This assumes 1. is not found and 2. is found.
 
 If 'encoding' is "latin1" Vim will look for:
 1. ~/.vim/spell/pl.latin1.spl
-2. /usr/share/vim70/spell/pl.latin1.spl
+2. /usr/share/vim81/spell/pl.latin1.spl
 3. ~/.vim/after/spell/pl.latin1.spl
 4. ~/.vim/spell/pl.ascii.spl
-5. /usr/share/vim70/spell/pl.ascii.spl
+5. /usr/share/vim81/spell/pl.ascii.spl
 6. ~/.vim/after/spell/pl.ascii.spl
 
 This assumes none of them are found (Polish doesn't make sense when leaving