File.location: fix formatting of schemas

Author: mr-c

Process.yml

@@ -70,8 +70,8 @@ $graph:
     a number of properties that provide metadata about the file.
 
     The `location` property of a File is a URI that uniquely identifies the
-    file.  Implementations must support the file:// URI scheme and may support
-    other schemes such as http://.  The value of `location` may also be a
+    file.  Implementations must support the `file://` URI scheme and may support
+    other schemes such as `http://` and `https://`.  The value of `location` may also be a
     relative reference, in which case it must be resolved relative to the URI
     of the document it appears in.  Alternately to `location`, implementations
     must also accept the `path` property on File, which must be a filesystem