Update documentation files.
diff --git a/runtime/doc/recover.txt b/runtime/doc/recover.txt
index b82ea67..f97acd0 100644
--- a/runtime/doc/recover.txt
+++ b/runtime/doc/recover.txt
@@ -1,4 +1,4 @@
-*recover.txt* For Vim version 7.2. Last change: 2006 Apr 24
+*recover.txt* For Vim version 7.2. Last change: 2009 Apr 18
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -181,7 +181,7 @@
Be sure that the recovery was successful before overwriting the original
file or deleting the swap file. It is good practice to write the recovered
file elsewhere and run 'diff' to find out if the changes you want are in the
-recovered file.
+recovered file. Or use |:DiffOrig|.
Once you are sure the recovery is ok delete the swap file. Otherwise, you
will continue to get warning messages that the ".swp" file already exists.