Fix typo in docs

[#171080499](https://www.pivotaltracker.com/story/show/171080499)

Author: pivotal-marcela-campo

docs/v3/source/includes/experimental_resources/service_offerings/_object.md.erb

@@ -14,7 +14,7 @@ Name | Type | Description
 **description** | _string_ | Description of the Service Offering.
 **available** | _boolean_ | Whether or not the Service Offering is available.
 **tags** | _list of strings_ | Descriptive tags for the Service Offering.
-**requires** | _list_of_strings_ | A list of permissions that the user would have to give the service, if they provision it. The only permissions currently supported are syslog_drain, route_forwarding and volume_mount.
+**requires** | _list of strings_ | A list of permissions that the user would have to give the service, if they provision it. The only permissions currently supported are syslog_drain, route_forwarding and volume_mount.
 **created_at** | _datetime_ | The time with zone when the object was created.
 **updated_at** | _datetime_ | The time with zone when the object was last updated.
 **shareable** | _boolean_ | Whether or not Service Instances of this Service Offering can be shared across Organizations and Spaces.