Linting tidy ups

Author: pjw711

articles/operator-service-manager/quickstart-containerized-network-function-operator.md

@@ -202,7 +202,7 @@ In prior steps, you created a Managed Identity labeled identity-for-nginx-sns in
 
 1. Under the **Privileged administrator roles**, category pick _Contributor_ then proceed with **Next**.
 
-   :::image type="content" source="media/privileged-admin-roles-contributor-resource-group.png" alt-text="Screenshot showing the privileged administrator role with contributor selected."::: lightbox="media/privileged-admin-roles-contributor-resource-group.png"
+   :::image type="content" source="media/privileged-admin-roles-contributor-resource-group.png" alt-text="Screenshot showing the privileged administrator role with contributor selected." lightbox="media/privileged-admin-roles-contributor-resource-group.png":::
 
 1. Select **Managed identity**.
 

articles/operator-service-manager/troubleshoot-cli-common-issues.md

@@ -173,22 +173,21 @@ There are multiple solutions available.
 
 ### CGVs don't match CGS when parameter has null type
 
-Currently, AOSM doesn't support `null` as a default value in deployParameters schema, which means that the default value `null` isn't allowed in Configuration Group Schemas either. To work around this issue, the AOSM CLI sets the default value for parameters of type null to be the string `"null"`, which allows an nfdv to publish successfully. 
+Currently, AOSM doesn't support `null` as a default value in deployParameters schema, which means that the default value `null` isn't allowed in Configuration Group Schemas either. To work around this issue, the AOSM CLI sets the default value for parameters of type null to be the string `"null"`, which allows an nfdv to publish successfully.
 
-When using the portal to create CGVs, your parameter autofills to have `"null"` as its value. If you don't change this value, the Portal shows an error message, saying: "New Configuration Group Value doesn't match the schema - please edit the values.".
+When using the portal to create CGVs, your parameter autofills to have `"null"` as its value. If you don't change this value, the Portal shows an error message, saying: "New Configuration Group Value doesn't match the schema - please edit the values."
 
-![Screenshot of the portal where there is an error message because the CGVs do not match the CGS](media/cgv_error.png)
+:::image type="content" source="media/cgv_error.png" alt-text="Screenshot of the portal where there's an error message because the configuration group values don't match the configuration group schema." lightbox="media/cgv_error.png":::
 
-To fix this error, change `"null"` to `null` in the CGVs. 
+To fix this error, change `"null"` to `null` in the CGVs.
 
 For example, originally we have the value `"null"`:
 
 ```json
 "serviceAccount_name": "null",
 ```
+
 Which must be changed to the value `null`.
 
 ```json
 "serviceAccount_name": null,
-
-