Update building-a-cli-with-a-github-app.md (github#30938)

content/apps/creating-github-apps/writing-code-for-a-github-app/building-a-cli-with-a-github-app.md

@@ -172,7 +172,7 @@ These steps lead you through building a CLI and using device flow to get a user
 
 1. Optionally, check your progress:
 
-   `app_cli.rb` now looks like this. The order of the functions don't matter as long as the `main` function call is at the end of the file.
+   `app_cli.rb` now looks like this. The order of the functions doesn't matter as long as the `main` function call is at the end of the file.
 
    ```ruby copy
    #!/usr/bin/env ruby
@@ -218,7 +218,7 @@ The `login` command will run the device flow to get a user access token. For mor
    CLIENT_ID="YOUR_CLIENT_ID"
    ```
 
-1. Add the following `parse_response` function to `app_cli.rb`. This function parses a response from the {% data variables.product.company_short %} REST API. When the response status is `200 OK` or `201 Created`, the function returns the parsed response body. Otherwise, the function prints the response and body an exits the program.
+1. Add the following `parse_response` function to `app_cli.rb`. This function parses a response from the {% data variables.product.company_short %} REST API. When the response status is `200 OK` or `201 Created`, the function returns the parsed response body. Otherwise, the function prints the response and body and exits the program.
 
    ```ruby copy
    def parse_response(response)
@@ -356,7 +356,7 @@ The `login` command will run the device flow to get a user access token. For mor
 
 1. Optionally, check your progress:
 
-   `app_cli.rb` now looks something like this, where `YOUR_CLIENT_ID` is the client ID of your app. The order of the functions don't matter as long as the `main` function call is at the end of the file.
+   `app_cli.rb` now looks something like this, where `YOUR_CLIENT_ID` is the client ID of your app. The order of the functions doesn't matter as long as the `main` function call is at the end of the file.
 
    ```ruby copy
    #!/usr/bin/env ruby
@@ -749,7 +749,7 @@ This tutorial demonstrated how to write a CLI that uses the device flow to gener
 
 This tutorial generates a user access token and saves it in a local file. You should never commit this file or publicize the token.
 
-Depending on your device, you may choose different way to store the token. You should check the best practices for storing tokens on your device.
+Depending on your device, you may choose different ways to store the token. You should check the best practices for storing tokens on your device.
 
 For more information, see "[AUTOTITLE](/apps/creating-github-apps/setting-up-a-github-app/best-practices-for-creating-a-github-app)."