diff --git a/examples/echo_client.py b/examples/echo_client.py
index 469acb2..ab6fa9d 100644
--- a/examples/echo_client.py
+++ b/examples/echo_client.py
@@ -136,7 +136,7 @@ class EchoBot(ClientXMPP):
 
         if not self['xep_0384'].is_encrypted(msg):
             if self.debug_level == LEVEL_DEBUG:
-                await self.plain_reply(mto, mtype, f"Echo unencrypted message:{msg['body']}")
+                await self.plain_reply(mto, mtype, f"Echo unencrypted message: {msg['body']}")
             return None
 
         try: