diff --git a/ChangeLog b/ChangeLog
index dac08b700..4611972bd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,10 @@
+2015-06-27  Werner Lemberg  <wl@gnu.org>
+
+	* src/tools/docmaker/utils.py (check_output): Add missing `\n'.
+
 2015-06-26  Werner Lemberg  <wl@gnu.org>
 
-	* CMakeLists.txt: Select platform-dependend `ftdebug.c'.
+	* CMakeLists.txt: Select platform-dependent `ftdebug.c'.
 
 2015-06-25  Werner Lemberg  <wl@gnu.org>
 
diff --git a/src/tools/docmaker/utils.py b/src/tools/docmaker/utils.py
index 52af17a3a..254083e92 100644
--- a/src/tools/docmaker/utils.py
+++ b/src/tools/docmaker/utils.py
@@ -79,7 +79,7 @@ def  check_output():
             if not os.path.isdir( output_dir ):
                 sys.stderr.write( "argument"
                                   + " '" + output_dir + "' "
-                                  + "is not a valid directory" )
+                                  + "is not a valid directory\n" )
                 sys.exit( 2 )
         else:
             output_dir = None