diff --git a/README.md b/README.md
index a240ae06..340ee988 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ If you know Python, web technologies (JS, HTML, CSS, etc.) or both, make a fork,
  - [Python](https://www.python.org/downloads/)
  - [Git](https://git-scm.com/downloads)
 
-* From the Docker Quickstart Terminal (Windows) or from the command line (OSX / Linux) type:
+* From the Docker Quickstart Terminal (Windows) or from the command line (Mac / Linux) type:
 ```
 git clone https://github.com/OpenDroneMap/WebODM
 cd WebODM
@@ -31,7 +31,7 @@ pip install docker-compose
 docker-machine ip
 ```
 
-Linux / OSX, users can connect to 127.0.0.1.
+Linux / Mac, users can connect to 127.0.0.1.
 
 * Open a Web Browser to `http://<yourDockerMachineIp>:8000`
 * Log in with the default credentials: "admin:admin"
@@ -82,7 +82,7 @@ Then these steps should be sufficient to get you up and running:
 git clone https://github.com/OpenDroneMap/WebODM
 ```
 
-Create a `WebODM\webodm\local_settings.py` file containing:
+Create a `WebODM\webodm\local_settings.py` file containing your database settings:
 
 ```
 DATABASES = {
@@ -97,6 +97,13 @@ DATABASES = {
 }
 ```
 
+From psql or [pgadmin](https://www.pgadmin.org), connect to the database and set the [postgis.enable_outdb_rasters](http://postgis.net/docs/manual-2.2/postgis_enable_outdb_rasters.html) and [postgis.gdal_enabled_drivers](http://postgis.net/docs/postgis_gdal_enabled_drivers.html) settings:
+
+```sql
+ALTER SYSTEM SET postgis.enable_outdb_rasters TO True;
+ALTER SYSTEM SET postgis.gdal_enabled_drivers TO 'GTiff';
+```
+
 Then:
 
 ```
diff --git a/app/migrations/9999_postgis.py b/app/migrations/9999_postgis.py
deleted file mode 100644
index b36b1272..00000000
--- a/app/migrations/9999_postgis.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from django.db import migrations
-
-class Migration(migrations.Migration):
-    dependencies = [("app", "0001_initial")]
-
-    operations = [
-        migrations.RunSQL("ALTER SYSTEM SET postgis.enable_outdb_rasters TO True;"),
-        migrations.RunSQL("ALTER SYSTEM SET postgis.gdal_enabled_drivers TO 'GTiff';")
-    ]
\ No newline at end of file