Fix some typos in the watchdog/README.md file
@@ -215,7 +215,7 @@ Auto-scaling starts at 1 replica and steps up in blocks of 5:
You can override the minimum and maximum scale of a function through labels.
-Add these labels to the deployment if you want to sacle between 2 and 15 replicas.
+Add these labels to the deployment if you want to scale between 2 and 15 replicas.
```
com.openfaas.scale.min: "2"
