Fixed some comments

include/internal/catch_clara.h

@@ -9,6 +9,7 @@
 #ifndef TWOBLUECUBES_CATCH_CLARA_H_INCLUDED
 #define TWOBLUECUBES_CATCH_CLARA_H_INCLUDED
 
+// Declare Clara inside the Catch namespace
 #define CLICHE_CLARA_OUTER_NAMESPACE Catch
 #include "clara.h"
 #undef CLICHE_CLARA_OUTER_NAMESPACE

include/internal/clara.h

@@ -598,8 +598,8 @@ namespace Clara {
 } // end namespace Clara
 
 #ifdef CLICHE_CLARA_OUTER_NAMESPACE
-} // end embedded namespace
+} // end outer namespace
 #endif
 
-#endif // TWOBLUECUBES_CLARA_H_ALREAD_INCLUDED
+#endif // TWOBLUECUBES_CLARA_H_ALREADY_INCLUDED