Date format change fix desc

app/app.py

@@ -809,7 +809,7 @@ class DeviceUnBind(Resource):
 @app.route('/cdr')
 class CDR(Resource):
   @app.param('end', 'End of datetime range. Defaults to now. Allowed formats are: timestamp, ISO 8601 or yyyymmddHHMMSS', 'query')
-  @app.param('start', 'Start of datetime range. Defaults to end-24h. Allowed formats are: timestamp, ISO 8601 and ddmmyyyyHHMMSS', 'query')
+  @app.param('start', 'Start of datetime range. Defaults to end-24h. Allowed formats are: timestamp, ISO 8601 or yyyymmddHHMMSS', 'query')
   @app.response(HTTPStatus.OK, 'JSON reply')
   @app.response(HTTPStatus.UNAUTHORIZED, 'Authorization required')
   async def get(self):
@@ -824,7 +824,7 @@ class CDR(Resource):
 @app.route('/cel')
 class CEL(Resource):
   @app.param('end', 'End of datetime range. Defaults to now. Allowed formats are: timestamp, ISO 8601 or yyyymmddHHMMSS', 'query')
-  @app.param('start', 'Start of datetime range. Defaults to end-24h. Allowed formats are: timestamp, ISO 8601 and ddmmyyyyHHMMSS', 'query')
+  @app.param('start', 'Start of datetime range. Defaults to end-24h. Allowed formats are: timestamp, ISO 8601 or yyyymmddHHMMSS', 'query')
   @app.response(HTTPStatus.OK, 'JSON reply')
   @app.response(HTTPStatus.UNAUTHORIZED, 'Authorization required')
   async def get(self):
@@ -838,8 +838,8 @@ class CEL(Resource):
 
 @app.route('/calls')
 class Calls(Resource):
-  @app.param('end', 'End of datetime range. Defaults to now. Allowed formats are: timestamp, ISO 8601 and ddmmyyyyHHMMSS', 'query')
-  @app.param('start', 'Start of datetime range. Defaults to end-24h. Allowed formats are: timestamp, ISO 8601 and ddmmyyyyHHMMSS', 'query')
+  @app.param('end', 'End of datetime range. Defaults to now. Allowed formats are: timestamp, ISO 8601 and yyyymmddHHMMSS', 'query')
+  @app.param('start', 'Start of datetime range. Defaults to end-24h. Allowed formats are: timestamp, ISO 8601 and yyyymmddHHMMSS', 'query')
   @app.response(HTTPStatus.OK, 'JSON reply')
   @app.response(HTTPStatus.UNAUTHORIZED, 'Authorization required')
   async def get(self):