Change examples syntax on fetch module

lib/ansible/modules/files/fetch.py

@@ -79,14 +79,25 @@ notes:
 
 EXAMPLES = '''
 # Store file into /tmp/fetched/host.example.com/tmp/somefile
-- fetch: src=/tmp/somefile dest=/tmp/fetched
+- fetch:
+    src: /tmp/somefile
+    dest: /tmp/fetched
 
 # Specifying a path directly
-- fetch: src=/tmp/somefile dest=/tmp/prefix-{{ inventory_hostname }} flat=yes
+- fetch:
+    src: /tmp/somefile
+    dest: /tmp/prefix-{{ inventory_hostname }}
+    flat: yes
 
 # Specifying a destination path
-- fetch: src=/tmp/uniquefile dest=/tmp/special/ flat=yes
+- fetch:
+    src: /tmp/uniquefile
+    dest: /tmp/special/
+    flat: yes
 
 # Storing in a path relative to the playbook
-- fetch: src=/tmp/uniquefile dest=special/prefix-{{ inventory_hostname }} flat=yes
+- fetch:
+    src: /tmp/uniquefile
+    dest: special/prefix-{{ inventory_hostname }}
+    flat: yes
 '''