diff --git a/tools.func.md b/tools.func.md
index 204c3ee..9cc175d 100644
--- a/tools.func.md
+++ b/tools.func.md
@@ -78,10 +78,11 @@ NODE_VERSION=20 NODE_MODULE="yarn@latest,@vue/cli-service@5.0.0" install_node_an
 ### Usage
 
 ```bash
-# Install default PostgreSQL version
 install_postgresql
+```
 
-# Install a specific version
+Specifie a Version:
+```bash
 PG_VERSION=15 install_postgresql
 ```
 
@@ -215,7 +216,7 @@ PHP_MODULE="mysql,redis" install_php
 - Ensures the Composer binary is executable system-wide.
 - Allows installation as root by setting `COMPOSER_ALLOW_SUPERUSER=1`.
 
-## Usage
+### Usage
 
 Simply call the function:
 
@@ -236,7 +237,7 @@ install_composer
 - Replaces any existing Go installation if the version differs.
 
 
-## Usage
+### Usage
 
 Simply call the function: