Update runtime files.
diff --git a/runtime/doc/if_pyth.txt b/runtime/doc/if_pyth.txt
index 9378807..2016e33 100644
--- a/runtime/doc/if_pyth.txt
+++ b/runtime/doc/if_pyth.txt
@@ -1,4 +1,4 @@
-*if_pyth.txt*   For Vim version 8.0.  Last change: 2016 Sep 17
+*if_pyth.txt*   For Vim version 8.0.  Last change: 2017 Jan 28
 
 
 		  VIM REFERENCE MANUAL    by Paul Moore