Fix content type in Watcher docs
With this commit we change the incorrect content type `image.png` to `image/png`
in an example snippet in the Watcher docs.
Relates
@@ -72,7 +72,7 @@ killed by firewalls or load balancers inbetween.
"attachments" : {
"my_image.png" : { <1>
"http" : { <2>
- "content_type" : "image.png",
+ "content_type" : "image/png",
"request" : {
"url": "http://example.org/foo/my-image.png" <3>
}
