Update README

.ABOUT.md

@@ -24,11 +24,11 @@ The library extends the `ApolloLink` from `@apollo/client` and provides a custom
 
 ## Installation
 Node Package Manager installation
-```zsh
+```shell
 npm install apollo-link-printer
 ```
 Yarn installation
-```zsh
+```shell
 yarn add apollo-link-printer
 ```
 ---
@@ -74,31 +74,30 @@ In this example, `PrinterLink` is added to the Apollo Client link chain. The `op
 This project uses TypeScript to provide static typing for JavaScript and Jest for testing. To contribute, follow these steps:
 
 1. Clone the repository:
-    ```zsh
+    ```shell
     git clone https://github.com/egorlem/apollo-link-printer.git
     ```
 
-    ```zsh
+    ```shell
     cd apollo-link-printer
     ```
 
 2. Install dependencies:
-    ```zsh
+    ```shell
     npm install # or `yarn`
     ```
 
 3. Make your changes and run tests to ensure everything works as expected:
-    ```zsh
+    ```shell
     npm test # or `yarn test`
     ```
 
 4. To run the library locally in another project, you can link it:
-    ```zsh
+    ```shell
     npm link
     ```
-    ```zsh
-    # In the project where you want to use the library
-    npm link apollo-link-printer
+    ```shell
+    npm link apollo-link-printer  # In the project where you want to use the library
     ```
 
 5. Commit and push your changes, then open a pull request on GitHub.