diff --git a/posts/build_a_blog.md b/posts/build_a_blog.md
index 5091768..ca6734d 100644
--- a/posts/build_a_blog.md
+++ b/posts/build_a_blog.md
@@ -714,7 +714,7 @@ index bfd9382..52ce57b 100644
 ```
 
 And testing it:
-```
+```shell
 ❯ cat ./posts/test_thing.md
 Title: Test thing
 Date: 2024-06-19T13:38:34-04:00
@@ -725,7 +725,7 @@ Draft: 1
 ```
 
 html should get generated, but not in the index or xml
-```
+```shell
 ❯ grep 'Test thing' ./posts/test_thing.html
   <title>cfebs.com - Test thing</title>
         <h1 id="test-thing"><a class="toclink" href="#test-thing">Test thing</a></h1>
@@ -738,7 +738,7 @@ html should get generated, but not in the index or xml
 
 Quick benchmark script `bench.sh`
 
-```shell
+```bash
 #!/usr/bin/env bash
 
 amt=$1