Fix that :py3file was not working.
diff --git a/runtime/doc/index.txt b/runtime/doc/index.txt
index 0928e87..c82605c 100644
--- a/runtime/doc/index.txt
+++ b/runtime/doc/index.txt
@@ -1,4 +1,4 @@
-*index.txt* For Vim version 7.3b. Last change: 2010 Jul 20
+*index.txt* For Vim version 7.3b. Last change: 2010 Jul 21
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1383,7 +1383,8 @@
|:put| :pu[t] insert contents of register in the text
|:pwd| :pw[d] print current directory
|:py3| :py3 execute Python 3 command
-|:p3yfile| :py3f[ile] execute Python 3 script file
+|:python3| :python3 same as :py3
+|:py3yfile| :py3f[ile] execute Python 3 script file
|:python| :py[thon] execute Python command
|:pyfile| :pyf[ile] execute Python script file
|:quit| :q[uit] quit current window (when one window quit Vim)