diff --git a/ext/reflection/config.m4 b/ext/reflection/config.m4
index add1d9f5622..69044d16487 100755
--- a/ext/reflection/config.m4
+++ b/ext/reflection/config.m4
@@ -2,7 +2,7 @@ dnl $Id$
 dnl config.m4 for extension reflection
 
 PHP_ARG_ENABLE(reflection, whether to enable reflection support,
-[  --disable-reflection      Disable reflection support], yes, no)
+[  --disable-reflection    Disable reflection support], yes, no)
 
 if test "$PHP_REFLECTION" != "no"; then
   if test "$ext_shared" = "yes"; then