diff --git a/aws_iot_mqtt_client.py b/aws_iot_mqtt_client.py
index 40e00f5..b0957cc 100644
--- a/aws_iot_mqtt_client.py
+++ b/aws_iot_mqtt_client.py
@@ -45,7 +45,7 @@
 'SD' - shadowDelete
 *Incoming string starting with the corresponding lower case letter represents the corresponding requests
 '''
-# marco
+# macros
 ###################################
 MAX_CONN_TIME = 10
 EXIT_TIME_OUT = 25