diff --git a/docs/installing_prerequisites.md b/docs/installing_prerequisites.md
index 410b6c2..38a8351 100644
--- a/docs/installing_prerequisites.md
+++ b/docs/installing_prerequisites.md
@@ -21,7 +21,7 @@ ruby -v
 ruby 3.3.1 (2024-04-23 revision c56cd86388) [arm64-darwin23]
 ```
 
-## PostgresSQL
+## PostgreSQL
 You can install PostgreSQL using [postgresapp.com](https://postgresapp.com) or Homebrew
 
 ### Using Homebrew