small updates on readme

Author: peterdudfield

nowcasting_datamodel/migrations/README.md

@@ -4,14 +4,15 @@ When we change the datamodel of the PV or Forecast database we will need to run
 
 ## 1. old local database
 start local database of database before data model changes. This can be done by setting `DB_URL` and `DB_URL_PV` and running
-by running ```python nowcasting_datamodel/migrations/app.py --run-migrations```
+by running ```python nowcasting_datamodel/migrations/app.py --make-migrations```
 
 ## 2. run migrations scripts
-by running ```python nowcasting_datamodel/migrations/app.py --make-migrations```
+by running ```python nowcasting_datamodel/migrations/app.py --run-migrations```
 
 ## 3. migrations revision
 commit migrations revision to repo
 
 ## 4. Start AWS task on ECS with docker container from this repo
 This will run all the migrations an update the database in production / development
 TODO Set up task definition using terraform
+The current solution is to oopen ssh tunnel and run the migrations from there