edits to custom transformers

jenkins/5-custom-transformers.md

@@ -1,6 +1,6 @@
 # Use custom transformers to customize GitHub Actions Importer's behavior
 
-In this lab you will build upon the `dry-run` command to override GitHub Actions Importer's default behavior and customize the converted workflow using "custom transformers". Custom transformers can be used to:
+In this lab you will build upon the `dry-run` command to override GitHub Actions Importer's default behavior and customize the converted workflow using "custom transformers." Custom transformers can be used to:
 
 1. Convert items that are not automatically converted.
 2. Convert items that were automatically converted using different actions.
@@ -13,7 +13,7 @@ In this lab you will build upon the `dry-run` command to override GitHub Actions
 2. Completed the [configure lab](./1-configure.md#configuring-credentials).
 3. Completed the [dry-run lab](./4-dry-run.md).
 
-## Perform a dry-run
+## Perform a dry run
 
 You will be performing a `dry-run` command to inspect the workflow that is converted by default. Run the following command within the codespace terminal:
 
@@ -109,7 +109,7 @@ transform "sleep" do |item|
 end
 ```
 
-This method can use any valid ruby syntax and should return a `Hash` that represents the YAML that should be generated for a given step. GitHub Actions Importer will use this method to convert a step with the provided identifier and will use the `item` parameter for the original values configured in Jenkins.
+This method can use any valid Ruby syntax and should return a `Hash` that represents the YAML that should be generated for a given step. GitHub Actions Importer will use this method to convert a step with the provided identifier and will use the `item` parameter for the original values configured in Jenkins.
 
 Now you can perform another `dry-run` command and use the `--custom-transformers` CLI option to provide this custom transformer. Run the following command within your codespace terminal:
 
@@ -117,7 +117,7 @@ Now you can perform another `dry-run` command and use the `--custom-transformers
 gh actions-importer dry-run jenkins --source-url http://localhost:8080/job/test_pipeline --output-dir tmp/dry-run --custom-transformers transformers.rb
 ```
 
-Open the workflow that is generated and inspect the contents. Now the `sleep` step is converted and uses the customized behavior!
+Open the workflow that is generated and inspect the contents. Now the `sleep` step is converted and uses the customized behavior.
 
 ```diff
 - #     # This item has no matching transformer
@@ -158,7 +158,7 @@ transform "junit" do |item|
 end
 ```
 
-Now, we can perform another `dry-run` command with the `--custom-transformers` CLI option. The output of the `dry-run` command should look similar to this:
+Now, you can perform another `dry-run` command with the `--custom-transformers` CLI option. The output of the `dry-run` command should look similar to this:
 
 ```console
 $ gh actions-importer dry-run jenkins --source-url http://localhost:8080/job/test_pipeline --output-dir tmp/dry-run --custom-transformers transformers.rb
@@ -226,7 +226,7 @@ env:
 
 Finally, you can use custom transformers to dictate which runners the converted workflows should use. To do this, answer the following questions:
 
-1. What is label of the runner in Jenkins to update?
+1. What is the label of the runner in Jenkins to update?
     - __TeamARunner__
 
 2. What is the label of the runner in Actions to use instead?
@@ -287,7 +287,7 @@ At this point the file contents of `transformers.rb` should match this:
 
 </details>
 
-That's it! Congratulations, you have overridden GitHub Actions Importer's default behavior by customizing the conversion of:
+That's it. Congratulations, you have overridden GitHub Actions Importer's default behavior by customizing the conversion of:
 
 - Unknown steps
 - Known steps