3. Scroll down the left navigation panel and choose "Security Group" under "Network & Security". 
4. Select the "EC2 Security Group" that needs to be verified. 
-5. Scroll down the bottom panel and choose "Inbound". Verify the value for "Source" column for "SMTP" under "Type" for port 25 and if any rule have value set to "0.0.0.0/0" or "::/0 " then the selected "Security Group" has "TCP" port for "SMTP" open to the public. 
-6. Repeat steps number 2 - 5 to verify other "Security Groups" in the selected AWS region.
-7. Navigate to "Security Groups" under "Network & Security" and select the "Security Group" that needs to modify to restrict the access of "TCP" port 25 for "SMTP" to specific ip address. 
-8. Scroll down the page and select the "Inbound" and click on the "Edit" button. 
+5. Scroll down the bottom panel and choose "Inbound rules". Verify the value for "Source" column for "SMTP" under "Type" for port 25 and if any rule have value set to "0.0.0.0/0" or "::/0 " then the selected "Security Group" has "TCP" port for "SMTP" open to the public.
+6. Repeat step number 2 - 5 to verify other "Security Groups" in the selected AWS region.
+7. Navigate to "Security Groups" under "Network & Security" and select the "Security Group" that needs to be modified to restrict the access of "TCP" port 25 for "SMTP" to specific IP address.
+8. Scroll down the page and select the "Inbound rules" and click on the "Edit Inbound rules" button to the right.
9. In the "Edit inbound rules" tab select either the "MyIP" or "Custom" from the "Source" column. 
-10. In the "Edit inbound rules" tab select the "MyIP" from the "Source" column to allow "SMTP" inbound traffic only from specific IP address. 
+10. In the "Edit inbound rules" tab select the "MyIP" from the "Source" column to allow "SMTP" inbound traffic only from your IP address.
11. In the "Edit inbound rules" tab select the "Custom" from the "Source" column as per the requirements for "SMTP" and specify static IP/Elastic IP address along with "Description" for the "Security Group" rule. 
-12. Click on the "Save" button to make the necessary changes. 
-13. Repeat steps number 7 - 12 to restrict TCP port 25 for "SMTP" to known IP address.
+12. Click on the "Save rules" button to make the necessary changes.
+13. Repeat step number 7 - 12 to restrict TCP port 25 for "SMTP" to known IP address.
diff --git a/resources/aws/ec2/open-smtp/step10.png b/resources/aws/ec2/open-smtp/step10.png
index 2ab0f87fe9b3295d4f4ccd2d212f80f48f1c5a33..60f078a457484ec76a6b0867982595ba56819327 100644
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