diff -r 92c9748e0ccb runtime/doc/eval.txt
--- a/runtime/doc/eval.txt	Sun Oct 06 17:46:56 2013 +0200
+++ b/runtime/doc/eval.txt	Sat Oct 12 02:31:07 2013 +0200
@@ -2261,7 +2261,7 @@
 		{expr}.  Use zero for the first character, it returns zero.
 		This function is only useful when there are multibyte
 		characters, otherwise the returned value is equal to {nr}.
-		Composing characters are counted as a separate character.
+		Composing characters are counted as a single character.
 		Example : >
 			echo matchstr(str, ".", byteidx(str, 3))
 <		will display the fourth character.  Another way to do the
@@ -2270,7 +2270,7 @@
 			echo strpart(s, 0, byteidx(s, 1))
 <		If there are less than {nr} characters -1 is returned.
 		If there are exactly {nr} characters the length of the string
-		is returned.
+		in bytes is returned.
 
 call({func}, {arglist} [, {dict}])			*call()* *E699*
 		Call function {func} with the items in |List| {arglist} as