diff --git a/configure.ac b/configure.ac
index 4c7e22f3..609de605 100644
--- a/configure.ac
+++ b/configure.ac
@@ -74,7 +74,8 @@ if test x$from_git = xyes; then
 	if test ! -f $(aclocal --print-ac-dir)/pkg.m4; then
 		AC_MSG_ERROR([
   *** The pkg.m4 macros are missing. ***
-  *** The pkg-config package needs to be installed when building from git. ***])
+  *** The pkg-config package needs to be installed when building from git. ***
+  *** After fixing this problem, rerun ./autogen.sh. ***])
 	fi
 	if test "$ac_cv_path_MSGFMT" = ":"; then
 		AC_MSG_ERROR([