diff --git a/configure.ac b/configure.ac
index 6613ce1eaaf..b6918671e40 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5468,9 +5468,10 @@ echo
 
 if test "$HAVE_NS" = "yes"; then
    echo
-   AS_ECHO(["You must run \"${MAKE-make} install\" in order to test the built application.
-The installed application will go to nextstep/Emacs.app and can be
-run or moved from there."])
+   AS_ECHO(["Run '${MAKE-make}' to build Emacs, then run 'src/emacs' to test it.
+Run '${MAKE-make} install' in order to build an application bundle.
+The application will go to nextstep/Emacs.app and can be run or moved
+from there."])
    if test "$EN_NS_SELF_CONTAINED" = "yes"; then
       echo "The application will be fully self-contained."
     else