fix comment

Author: pepeiborra

ghcide/src/Development/IDE/Core/Shake.hs

@@ -904,7 +904,7 @@ defineEarlyCutOffNoFile f = defineEarlyCutoff $ RuleNoDiagnostics $ \k file -> d
 defineEarlyCutoff'
     :: IdeRule k v
     => Bool  -- ^ update diagnostics
-    -- | compare previous and current for freshness
+    -- | compare current and previous for freshness
     -> (BS.ByteString -> BS.ByteString -> Bool)
     -> k
     -> NormalizedFilePath