2 files changed, 3 insertions, 3 deletions
diff --git a/synapse/__init__.py b/synapse/__init__.py
index 723e15d506..7e49e1fd08 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -16,4 +16,4 @@
 """ This is a reference implementation of a synapse home server.
 """
 
-__version__ = "0.5.4"
+__version__ = "0.5.4a"
diff --git a/synapse/config/_base.py b/synapse/config/_base.py
index 1426436dcb..1cdd03e414 100644
--- a/synapse/config/_base.py
+++ b/synapse/config/_base.py
@@ -44,9 +44,9 @@ class Config(object):
             )
         if not os.path.exists(file_path):
             raise ConfigError(
-                "File % config for %s doesn't exist."
+                "File %s config for %s doesn't exist."
                 " Try running again with --generate-config"
-                % (config_name,)
+                % (file_path, config_name,)
             )
         return cls.abspath(file_path)