copy edits to spec file

Author: domalessi

octopus_deploy/assets/configuration/spec.yaml

@@ -21,7 +21,7 @@ files:
       display_priority: 5
       description: |
         Optional configuration to indicate the spaces to process. If not configured,
-        all spaces and their corresponding project groups and projects are be processed.
+        all spaces and their corresponding project groups and projects are processed.
 
         The 'include' key indicates the regular expressions of the spaces for reporting metrics 
         and the configuration to be applied to each of them. Each group can have a 'project-groups'-like configuration,