diff --git a/src/CompactStructs.jl b/src/CompactStructs.jl
index 768565b..2a37220 100644
--- a/src/CompactStructs.jl
+++ b/src/CompactStructs.jl
@@ -3,7 +3,7 @@ struct Uninitialized end
 const uninit = Uninitialized()
 
 """
-    @compact_structs(type_definition, struct_definitions)
+    @compact_structs(type_definition, structs_definitions)
 """
 macro compact_structs(new_type, struct_defs)
 
diff --git a/src/SumStructs.jl b/src/SumStructs.jl
index b5ac719..6a75a0e 100644
--- a/src/SumStructs.jl
+++ b/src/SumStructs.jl
@@ -1,6 +1,6 @@
 
 """
-    @sum_structs(type, struct_definitions)
+    @sum_structs(type_definition, structs_definitions)
 """
 macro sum_structs(type, struct_defs)