config: fixed gunicorn config special character

configs/gunicorn_config.py

@@ -34,7 +34,7 b" loglevel = 'debug'"
 limit_request_line = 0
 
 # Limit the number of HTTP headers fields in a request.
-# By default this value is 100 and can’t be larger than 32768.
+# By default this value is 100 and can't be larger than 32768.
 limit_request_fields = 10240
 
 # Limit the allowed size of an HTTP request header field.