Fix spelling error

darthtrevino · darthtrevino · commit 3498feafb5bc · 2017-02-19T12:41:03.000-08:00
diff --git a/README.md b/README.md
@@ -64,7 +64,7 @@ custom:
     start:
       port: 8000
       inMemory: true
-      mirate: true
+      migrate: true
       seed: true
 ```
 
