diff --git a/README.md b/README.md
index 5155dd9..a6ed1e6 100644
--- a/README.md
+++ b/README.md
@@ -9,9 +9,11 @@
 |_| \_|\__,_|_| |_| |_|\___|\___/|_|    \_____|
 ```
 
-Branch | Linux/OSX | Windows | License | Codacy
--------|-----------|---------|---------|-------
-master |[![Build Status](https://travis-ci.org/Neargye/nameof.svg?branch=master)](https://travis-ci.org/Neargye/nameof)|[![Build status](https://ci.appveyor.com/api/projects/status/yq5fk0d9mwljbubt/branch/master?svg=true)](https://ci.appveyor.com/project/Neargye/nameof/branch/master)|[![License](https://img.shields.io/github/license/Neargye/nameof.svg)](LICENSE)|[![Codacy Badge](https://api.codacy.com/project/badge/Grade/1d06f3f07afe4f34acd29c0c8efa830b)](https://www.codacy.com/app/Neargye/nameof?utm_source=github.com&utm_medium=referral&utm_content=Neargye/nameof&utm_campaign=Badge_Grade)
+[![License](https://img.shields.io/github/license/Neargye/nameof.svg)](LICENSE)
+[![Build Status](https://travis-ci.org/Neargye/nameof.svg?branch=master)](https://travis-ci.org/Neargye/nameof)
+[![Build status](https://ci.appveyor.com/api/projects/status/yq5fk0d9mwljbubt/branch/master?svg=true)](https://ci.appveyor.com/project/Neargye/nameof/branch/master)
+[![Codacy Badge](https://api.codacy.com/project/badge/Grade/1d06f3f07afe4f34acd29c0c8efa830b)](https://www.codacy.com/app/Neargye/nameof?utm_source=github.com&utm_medium=referral&utm_content=Neargye/nameof&utm_campaign=Badge_Grade)
+[![Try online](https://img.shields.io/badge/try-online-blue.svg)](https://wandbox.org/permlink/irgD3NwQM2ikhVMC)
 
 ## What is Nameof?
 
@@ -34,19 +36,20 @@ Header-only C++17 library provides nameof macros and functions to obtain simple
 
 * Name of variable
 ```cpp
-// Name of variable
+// Name of variable.
 NAMEOF(somevar) -> "somevar"
-// Name of member variable
+
+// Name of member variable.
 NAMEOF(person.address.zip_code) -> "zip_code"
 ```
 
 * Name of function
 ```cpp
-// Name of function
+// Name of function.
 NAMEOF(foo<int, float>()) -> "foo"
 NAMEOF_FULL(foo<int, float>()) -> "foo<int, float>"
 
-// Name of member function
+// Name of member function.
 NAMEOF(somevar.some_method()) -> "some_method"
 NAMEOF_FULL(somevar.some_method<int>()) -> "some_method<int>"
 ```
@@ -54,38 +57,42 @@ NAMEOF_FULL(somevar.some_method<int>()) -> "some_method<int>"
 * Name of enum
 ```cpp
 auto color = Color::RED;
-// Name of enum variable
+// Name of enum variable.
 NAMEOF_ENUM(color) -> "RED"
-// Name of enum variable
 nameof::nameof_enum(color) -> "RED"
 
-constexpr auto cx_color = Color::BLUE;
-// Name of static storage enum variable
-nameof::nameof_enum<cx_color>() -> "BLUE"
+constexpr auto const_color = Color::BLUE;
+// Name of static storage enum variable.
+NAMEOF_CONST_ENUM(const_color) -> "BLUE"
+nameof::nameof_enum<const_color>() -> "BLUE"
 ```
 
 * Name of type
 ```cpp
 using T = int;
 T var = 42;
-// Name of variable type
-NAMEOF_TYPE(var) -> "int"
+// Name of variable type.
+NAMEOF_VAR_TYPE(var) -> "int"
 nameof::nameof_type<decltype(var)>() -> "int"
-// Name of type
-NAMEOF_TYPE_T(T) -> "int"
+
+// Name of type.
+NAMEOF_TYPE(T) -> "int"
 nameof::nameof_type<T>() -> "int"
 ```
 
 * Name of macro
 ```cpp
-// Name of macro
+// Name of macro.
 NAMEOF(__LINE__) -> "__LINE__"
+NAMEOF(NAMEOF(structvar)) -> "NAMEOF"
 ```
 
 ## Remarks
 
 * Nameof return std::string_view.
 
+* If arguments does not have name, Nameof return empty string.
+
 * Nameof expression arguments are identified, but do not evaluated.
 
 * NAMEOF_ENUM supported on the GCC >= 9.
@@ -94,7 +101,7 @@ NAMEOF(__LINE__) -> "__LINE__"
 ```cpp
 NAMEOF_RAW(somevar.somefield) -> "somevar.somefield"
 NAMEOF_RAW(&SomeStruct::SomeMethod) -> "&SomeStruct::SomeMethod"
-NAMEOF_RAW(std::string) -> "std::string"
+NAMEOF_RAW(const SomeClass<int> volatile *) -> "const SomeClass<int> volatile *"
 ```
 
 * Spaces and Tabs ignored