examples showing an improper auth value (#87)

<!-- This change is generated by MagicModules. -->
/cc @rambleraptor

plugins/modules/gcp_compute_instance_group.py

@@ -107,16 +107,16 @@ EXAMPLES = '''
 
 - name: create a instance group
   gcp_compute_instance_group:
-    name: test_object
-    named_ports:
-    - name: ansible
-      port: 1234
-    network: "{{ network }}"
-    zone: us-central1-a
-    project: test_project
-    auth_kind: serviceaccount
-    service_account_file: "/tmp/auth.pem"
-    state: present
+      name: "test_object"
+      named_ports:
+      - name: ansible
+        port: 1234
+      network: "{{ network }}"
+      zone: us-central1-a
+      project: "test_project"
+      auth_kind: "serviceaccount"
+      service_account_file: "/tmp/auth.pem"
+      state: present
 '''
 
 RETURN = '''