'main': Followup to fdaeec4: Update comment.

That revision was itself a followup to 51614ca.

highlighters/main/main-highlighter.zsh

@@ -140,7 +140,7 @@ _zsh_highlight_main__type() {
     # exists and is in $PATH).  Avoid triggering the bug, at the expense of
     # falling through to the $() below, incurring a fork.  (Issue #354.)
     #
-    # The second disjunct mimics the isrelative() C call from the zsh bug.
+    # The first disjunct mimics the isrelative() C call from the zsh bug.
     elif {  [[ $1 != */* ]] || is-at-least 5.3 } &&
          ! builtin type -w -- $1 >/dev/null 2>&1; then
       REPLY=none