diff --git a/python/user-auth-app/main.py b/python/user-auth-app/main.py
index 3b0c4c7e..5a1f2cee 100644
--- a/python/user-auth-app/main.py
+++ b/python/user-auth-app/main.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""The main script for the project, which starts an Express app
+"""The main script for the project, which starts a Flask app
 to listen to HTTP requests from Chat events and the OAuth flow callback."""
 
 import logging