Apply suggestions from code review

Author: stayseesong

src/connections/destinations/catalog/amazon-kinesis-firehose/index.md

@@ -180,9 +180,9 @@ To attach multiple sources to your IAM role:
     }
     ```
 
-#### Use secret ID
+#### Use Secret ID
 
-If you have many sources using Kinesis that it's impractical to attach all of their IDs to your IAM role, you can instead opt to set a secret ID.
+If you have many sources using Kinesis that it's impractical to attach all of their IDs to your IAM role, you can instead opt to set a Secret ID.
 
 To set this value for a Secret ID:
 1. Go to the Kinesis Firehose destination settings from each of your Segment sources.
@@ -211,9 +211,8 @@ To set this value for a Secret ID:
       ]
     }
     ```
-6. Replace the value of `sts:ExternalId` ( "YOUR_SEGMENT_SOURCE_ID") with the Secret ID value from the previous step. In the exceptional case of requiring the use multiple secretIds replace the `sts:ExternalId` setting above with:
+6. Replace the value of `sts:ExternalId` ( "YOUR_SEGMENT_SOURCE_ID") with the Secret ID value from the previous step. In the case of requiring the use of multiple secretIds, replace the `sts:ExternalId` setting above with:
 
    ```
     "sts:ExternalId": ["A_SECRET_ID", "ANOTHER_SECRET_ID"]
    ```
-

src/connections/destinations/catalog/amazon-kinesis/index.md

@@ -217,7 +217,7 @@ After you update the IAM policy, Segment systems default to use PutRecords for m
 If you have many sources using Kinesis that it's impractical to attach all of their IDs to your IAM role, you can instead opt to set a secret ID. To set this value:
 1. Go to **Connections > Destinations > Amazon Kinesis** for each of your Segment sources.
 2. Click **Secret ID** and enter your Workspace ID.
-    * **NOTE:** For security purposes, Segment recommends you to use your Workspace ID as your Secret ID. If you’re using a Secret ID different from your Workspace ID, consider changing it. You can find your Workspace ID by going to:  **Settings > Workspace Settings > ID**.
+    * **NOTE:** For security purposes, Segment recommends you to use your Workspace ID as your Secret ID. If you’re using a Secret ID different from your Workspace ID, please change it to make your account more secure. You can find your Workspace ID by going to:  **Settings > Workspace Settings > ID**.
 3. Once all of your sources have been updated to use this value, find the IAM role you created for this destination in the AWS Console in **Services > IAM > Roles**.
 4. Click on the role and navigate to the **Trust Relationships** tab.
 5. Click **Edit trust relationship**. You should see a snippet that looks something that looks like this:
@@ -241,8 +241,8 @@ If you have many sources using Kinesis that it's impractical to attach all of th
       ]
     }
     ```
-6. Replace the value of `sts:ExternalId` (`"YOUR_SEGMENT_SOURCE_ID"`) with your Secret ID. In the exceptional case of requiring the use multiple secretIds replace the `sts:ExternalId` setting above with:
+6. Replace the value of `sts:ExternalId` (`"YOUR_SEGMENT_SOURCE_ID"`) with your Secret ID. In the case of requiring the use of multiple secretIds, replace the `sts:ExternalId` setting above with:
 
    ```
     "sts:ExternalId": ["A_SECRET_ID", "ANOTHER_SECRET_ID"]
-   ```
+   ```

src/connections/destinations/catalog/amazon-lambda/index.md

@@ -145,7 +145,7 @@ To create an IAM role:
 
     ![](images/LambdaTrustRelationship.png)
 
-7. Copy and paste the following code into your trust relationship. You should replace `<your-source-id>` with either the Source ID of the attached Segment source (the default) or the value of external ID set in your AWS Lambda destination settings.
+7. Copy and paste the following code into your trust relationship. You should replace `<your-source-id>` with either the Source ID of the attached Segment source (the default) or the External ID set in your AWS Lambda destination settings.
   * `arn:aws:iam::595280932656:root` refers to Segment's AWS Account, and is what allows Segment's Destination to access the role to invoke your Lambda.
 
 > note ""
@@ -171,7 +171,7 @@ To create an IAM role:
     }
     ```
 
-If you have multiple Sources using this Role, or require the use multiple externalIds replace the `sts:ExternalId` setting above with:
+If you have multiple Sources using this Role, or require the use of multiple External Ids, replace the `sts:ExternalId` setting above with:
 
 ```
     "sts:ExternalId": ["YOUR_SEGMENT_SOURCE_ID", "ANOTHER_SOURCE_ID", "AN_EXTERNAL_ID", "ANOTHER_EXTERNAL_ID"]

src/connections/destinations/catalog/amazon-personalize/index.md

@@ -716,7 +716,7 @@ To create an IAM role:
 }
 ```
 
-If you have multiple Sources using this Role, or require the use multiple externalIds replace the `sts:ExternalId` setting above with:
+If you have multiple Sources using this Role, or require the use of multiple externalIds, replace the `sts:ExternalId` setting above with:
 
 ```
     "sts:ExternalId": ["YOUR_SEGMENT_SOURCE_ID", "ANOTHER_SOURCE_ID", "AN_EXTERNAL_ID", "ANOTHER_EXTERNAL_ID"]