Fix typo and whitespace

src/Copar/Functors/GroupValued.hs

@@ -63,7 +63,7 @@ intHelp =
   Doc.reflow "Weighted systems with integer weights"
   <> Doc.line <> Doc.line
   <> Doc.annotate Doc.bold "Functor syntax:"
-  <+> Doc.reflow "Z^F | ℤ^F"
+  <+> Doc.reflow "Z^X | ℤ^X"
   <> Doc.line <> Doc.line
   <> Doc.annotate Doc.bold "Coalgebra syntax:"
   <+> Doc.reflow "'{' X ':' int, ... '}'"

tests/Copar/Functors/MonoidValuedSpec.hs

@@ -42,9 +42,9 @@ spec = do
   maxIntRefineSpec
   minIntRefineSpec
   maxRealParseSpec
-  minRealParseSpec 
+  minRealParseSpec
   maxRealRefineSpec
-  minRealRefineSpec 
+  minRealRefineSpec
   andWordParseSpec
   andWordRefineSpec
   orWordParseSpec