Fix some haddock issues

Slash is a reserved char. Slash is a reserved char. Slash is a…

Ganeti/HTools/Rapi.hs

@@ -83,7 +83,7 @@ parseNode a = do
                         dtotal dfree (offline || drained))
     return (name, node)
 
-loadData :: String -- ^ Cluster/URL to use as source
+loadData :: String -- ^ Cluster or URL to use as source
          -> IO (Result (Node.AssocList, Instance.AssocList))
 loadData master = do -- IO monad
   let url = formatHost master

Ganeti/HTools/Text.hs

 {-| Parsing data from text-files
 
 This module holds the code for loading the cluster state from text
-files, as produced by gnt-node/gnt-instance list.
+files, as produced by gnt-node and gnt-instance list.
 
 -}