diff --git a/cJSON.h b/cJSON.h
index 1734513..c3d8c76 100644
--- a/cJSON.h
+++ b/cJSON.h
@@ -245,7 +245,8 @@ CJSON_PUBLIC(cJSON_bool) cJSON_Compare(const cJSON * const a, const cJSON * cons
 
 CJSON_PUBLIC(void) cJSON_Minify(char *json);
 
-/* Macros for creating things quickly. */
+/* Helper functions for creating and adding items to an object at the same time.
+ * They return the added item or NULL on failure. */
 CJSON_PUBLIC(cJSON*) cJSON_AddNullToObject(cJSON * const object, const char * const name);
 CJSON_PUBLIC(cJSON*) cJSON_AddTrueToObject(cJSON * const object, const char * const name);
 CJSON_PUBLIC(cJSON*) cJSON_AddFalseToObject(cJSON * const object, const char * const name);