diff --git a/typefactory/typefactory.h b/typefactory/typefactory.h
index aea5944..ff95070 100644
--- a/typefactory/typefactory.h
+++ b/typefactory/typefactory.h
@@ -4,7 +4,11 @@
 #include <memory>
 
 /**
- * @brief The TypeFsactory class - base typefactory (abstract factory) template
+ * @brief Registry-based factory for creating objects by runtime identifier.
+ *
+ * Allows registering derived types and instantiating them
+ * using a ClassId key.
+ *
  * @param ClassId - unique class identification class. For example string, or integer id.
  * @param BaseClass - all objects should have one base class. For example vehicle or parameter
  * @param Args - constructor arguments
@@ -52,9 +56,6 @@
 template<class ClassId, class BaseClass, class ... Args>
 class TypeFsactory {
   public:
-    /**
-     * @brief BaseClass_SP - base class shared pointer type
-     */
     typedef std::shared_ptr<BaseClass> BaseClass_SP;
     /**
      * @brief typefactoryFunction - typefactory function pointer type. Generally speaking it is pointer to constructor.
@@ -76,7 +77,7 @@ class TypeFsactory {
      */
     template<class Derived>
     void registerType (const ClassId& id) {
-      /// store pointer to constructor of Derived class
+      /// Register Derived type by storing its constructor wrapper
       classes[id] = &typefactory<Derived>;
     }
 
@@ -87,12 +88,11 @@ class TypeFsactory {
      * @throws std::out_of_range when id not found in map
      */
     typefactoryFunction createInstance (const ClassId& id) const {
-      /// constructor of registered type will call here
       return classes.at (id);
     }
   protected:
     /**
-     * @brief classes - main storage for pointers to constructors of registered types
+     * @brief classes - Not thread-safe. Register types during initialization phase only.
      */
     std::unordered_map<ClassId, typefactoryFunction> classes;