Add disable-content flag info to man page for build
Closes:
Approved by: rhatdan
@@ -131,6 +131,12 @@ The [username[:password]] to use to authenticate with the registry if required.
If one or both values are not supplied, a command line prompt will appear and the
value can be entered. The password is entered without echo.
+**--disable-content-trust**
+
+This is a Docker specific option to disable image verification to a Docker
+registry and is not supported by Buildah. This flag is a NOOP and provided
+soley for scripting compatibility.
+
**--file, -f** *Dockerfile*
Specifies a Dockerfile which contains instructions for building the image,
