diff --git a/A2rchi/interfaces/chat_app/app.py b/A2rchi/interfaces/chat_app/app.py
index 32c888e..6da77cb 100644
--- a/A2rchi/interfaces/chat_app/app.py
+++ b/A2rchi/interfaces/chat_app/app.py
@@ -36,7 +36,7 @@
 import yaml
 
 # DEFINITIONS
-QUERY_LIMIT = 10000 # max number of queries per conversation
+QUERY_LIMIT = 10000 # max queries per conversation
 
 
 class AnswerRenderer(mt.HTMLRenderer):