Minor update

doc/man/man5/ldif.5

@@ -61,7 +61,7 @@ the value " begins with a space" would be encoded like this:
 .fi
 .LP
 If the attribute value is located in a file, the <attrtype> is
-followed by a ':<' and a file:// URI.  e.g., the value contained
+followed by a ':<' and a file: URI.  e.g., the value contained
 in the file /tmp/value would be listed like this:
 .LP
 .nf