Merge pull request #40 from BranRitz/patch-1

Update developer_docs.md

Author: joestubbs

docs/developer_docs.md

@@ -238,7 +238,7 @@ $ docker build -t abaco/dashboard -f Dockerfile-dashboard .
 4. Start the dashboard app with docker-compose by running the following from the project root:
 
 ```shell
-$ docker-compose -f docker-compose-dashboard up -d
+$ docker-compose -f docker-compose-dashboard.yml up -d
 ```
 
 
@@ -319,4 +319,4 @@ Making requests to the local development stack is easy using the requests librar
 >>> requests.get('{}/actors'.format(base_url), headers=headers).json()
 >>> requests.post('{}/actors'.format(base_url), data={'image': 'abacosamples/py3_func:dev'}, headers=headers).json()
 
-```
+```