diff --git a/plugins/modules/ec2_launch_template.py b/plugins/modules/ec2_launch_template.py
index 2f7b529146e..4553a8e794d 100644
--- a/plugins/modules/ec2_launch_template.py
+++ b/plugins/modules/ec2_launch_template.py
@@ -307,7 +307,9 @@
     type: list
     elements: str
   security_groups:
-    description: A list of security group names (VPC or EC2-Classic) that the new instances will be added to.
+    description: >
+      A list of security group names (Default VPC or EC2-Classic) that the new instances will be added to.
+      For any VPC other than Default, you must use I(security_group_ids).
     type: list
     elements: str
   tags: