diff --git a/docs/guide/ai.md b/docs/guide/ai.md
index 279f77d0e..ad1f9d6be 100644
--- a/docs/guide/ai.md
+++ b/docs/guide/ai.md
@@ -261,7 +261,7 @@ void secret put OPENAI_API_KEY=sk-...
 
 For local development, add it to `.env` in your project root:
 
-```
+```dotenv
 OPENAI_API_KEY=sk-...
 ```
 
diff --git a/docs/guide/database/postgresql.md b/docs/guide/database/postgresql.md
index 136c0a8e0..aae99a11f 100644
--- a/docs/guide/database/postgresql.md
+++ b/docs/guide/database/postgresql.md
@@ -28,7 +28,7 @@ Add to your `void.config.ts`:
 
 For local development, add `DATABASE_URL` to `.env`:
 
-```
+```dotenv
 DATABASE_URL=postgresql://user:password@host:5432/mydb?sslmode=require
 ```