Update en/self-host/advanced-deployments/local-source-code.mdx

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: crazywoola

en/self-host/advanced-deployments/local-source-code.mdx

@@ -33,7 +33,7 @@ cd docker
 
 cp middleware.env.example middleware.env
 
-# change the profile to mysql if you are not using postgres
+# change the profile to mysql if you are not using postgresql
 # change the profile to other vector database if you are not using weaviate
 docker compose -f docker-compose.middleware.yaml --profile postgresql --profile weaviate -p dify up -d
 ```