diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index 690bac9..1de0e40 100644
--- a/runtime/doc/builtin.txt
+++ b/runtime/doc/builtin.txt
@@ -1671,7 +1671,7 @@
 				typed text only, or the last completion after
 				no item is selected when using the <Up> or
 				<Down> keys)
-		   inserted	Inserted string. [NOT IMPLEMENT YET]
+		   inserted	Inserted string. [NOT IMPLEMENTED YET]
 
 							*complete_info_mode*
 		mode values are:
@@ -3038,10 +3038,10 @@
 		Funcref.  The extra arguments are appended to the list of
 		arguments.  Example: >
 			func Callback(arg1, arg2, name)
-			...
+			"...
 			let Func = function('Callback', ['one'])
 			let Func2 = function(Func, ['two'])
-			...
+			"...
 			call Func2('name')
 <		Invokes the function as with: >
 			call Callback('one', 'two', 'name')
@@ -3051,22 +3051,23 @@
 			function Callback() dict
 			   echo "called for " .. self.name
 			endfunction
-			...
+			"...
 			let context = {"name": "example"}
 			let Func = function('Callback', context)
-			...
+			"...
 			call Func()	" will echo: called for example
 <		The use of function() is not needed when there are no extra
-		arguments, these two are equivalent: >
+		arguments, these two are equivalent, if Callback() is defined
+		as context.Callback(): >
 			let Func = function('Callback', context)
 			let Func = context.Callback
 
 <		The argument list and the Dictionary can be combined: >
 			function Callback(arg1, count) dict
-			...
+			"...
 			let context = {"name": "example"}
 			let Func = function('Callback', ['one'], context)
-			...
+			"...
 			call Func(500)
 <		Invokes the function as with: >
 			call context.Callback('one', 500)