1 files changed, 1 insertions, 1 deletions
diff --git a/doc/Utf.3 b/doc/Utf.3
index 55906e7..9cecafc 100644
--- a/doc/Utf.3
+++ b/doc/Utf.3
@@ -102,7 +102,7 @@ The length of the Unicode string in characters.  Must be greater than or
 equal to 0.
 .AP "Tcl_DString" *dsPtr in/out
 A pointer to a previously initialized \fBTcl_DString\fR.
-.AP "unsigned long" numChars in
+.AP "size_t" numChars in
 The number of characters to compare.
 .AP "const char" *start in
 Pointer to the beginning of a UTF-8 string.