Update runtime files
diff --git a/runtime/doc/userfunc.txt b/runtime/doc/userfunc.txt
index 24e3fd7..806d8f7 100644
--- a/runtime/doc/userfunc.txt
+++ b/runtime/doc/userfunc.txt
@@ -15,7 +15,7 @@
 
 ==============================================================================
 
-1. Defining a fuction ~
+1. Defining a function ~
 						*define-function*
 New functions can be defined.  These can be called just like builtin
 functions.  The function executes a sequence of Ex commands.  Normal mode
@@ -308,7 +308,7 @@
 <
 ==============================================================================
 
-2. Calling a fuction ~
+2. Calling a function ~
 						*:cal* *:call* *E107*
 :[range]cal[l] {name}([arguments])
 		Call a function.  The name of the function and its arguments