diff --git a/circle_ci/5-custom-transformers.md b/circle_ci/5-custom-transformers.md
index c9b6911..d6df889 100644
--- a/circle_ci/5-custom-transformers.md
+++ b/circle_ci/5-custom-transformers.md
@@ -1,6 +1,6 @@
-# Using custom transformers to customize GitHub Actions Importer's behavior
+# 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:
 
@@ -98,7 +98,7 @@ transform "codecov_codecov_upload" 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 CircleCI.
+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 CircleCI.
 
 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:
 
@@ -187,7 +187,7 @@ end
 
 </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
 - Environment variables