First step of comment style refactoring to doxygen-style.

src/server/scripts/Spells/spell_dk.cpp

@@ -76,7 +76,7 @@ class spell_dk_anti_magic_shell_raid : public SpellScriptLoader
 
             void CalculateAmount(AuraEffect const* /*aurEff*/, int32 & amount, bool & /*canBeRecalculated*/)
             {
-                // TODO: this should absorb limited amount of damage, but no info on calculation formula
+                /// @todo this should absorb limited amount of damage, but no info on calculation formula
                 amount = -1;
             }