diff --git a/docs/libcurl/curl_escape.3 b/docs/libcurl/curl_escape.3
index 8e8b2f1f70..b483226386 100644
--- a/docs/libcurl/curl_escape.3
+++ b/docs/libcurl/curl_escape.3
@@ -38,7 +38,7 @@ return that as a new allocated string. All input characters that are not a-z,
 A-Z or 0-9 will be converted to their "URL escaped" version (%NN where NN is a
 two-digit hexadecimal number).
 
-If the \fBlengthf\fP argument is set to 0, curl_escape() will use strlen() on
+If the \fBlength\fP argument is set to 0, curl_escape() will use strlen() on
 the input \fBurl\fP string to find out the size.
 
 You must \fIcurl_free(3)\fP the returned string when you are done with it.