Small docs fixes.
diff --git a/runtime/doc/index.txt b/runtime/doc/index.txt
index c82605c..c198dc7 100644
--- a/runtime/doc/index.txt
+++ b/runtime/doc/index.txt
@@ -1384,7 +1384,7 @@
|:pwd| :pw[d] print current directory
|:py3| :py3 execute Python 3 command
|:python3| :python3 same as :py3
-|:py3yfile| :py3f[ile] execute Python 3 script file
+|:py3file| :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)