fix steps

dash-apm-python/step_10.md

@@ -1,5 +1,7 @@
-Before continuing to the next step please be sure to restart the `pumps` service.
+In this phase we are going to introduce a service failure.
 
-`docker-compose start pumps`.
+Open a new terminal window and run:
 
-You may close the new terminal window you have opened in the previous step.
+`docker-compose stop pumps`
+
+to cause the `pumps` service to stop.

dash-apm-python/step_11.md

@@ -0,0 +1,5 @@
+Before continuing to the next step please be sure to restart the `pumps` service.
+
+`docker-compose start pumps`.
+
+You may close the new terminal window you have opened in the previous step.

dash-apm-python/step_9.md

@@ -1,7 +1,5 @@
-In this phase we are going to introduce a service failure.
+We are going to show how we can enable monitors for our APM services.
 
-Open a new terminal window and run:
+Open the frontend service page to continue.
 
-`docker-compose stop pumps`
-
-to cause the `pumps` service to stop.
+https://app.datadoghq.com/apm/service/frontend