diff --git a/README.md b/README.md
index 376401f..cd29842 100644
--- a/README.md
+++ b/README.md
@@ -8,16 +8,16 @@ Final products such as the PDF and audiobook can be found on my website,
 
 First run the installer. It has been tested on Ubuntu 23.10.
 
-    ```
-    install.sh
-    ```
+```shell
+install.sh
+```
 
 Then make any changes to `ebook.md`.
 
 After making changes, run the convert script from the project directory.
 
-    ```
-    convert.sh
-    ```
+```shell
+convert.sh
+```
 
 You should now have `ebook.pdf` available.