update README

hideakitai · Oct 12, 2021 · 00fad6c · 00fad6c
1 parent 4a808f4
commit 00fad6c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -250,7 +250,7 @@ template <typename T>
 Sequence<T>& operator[](const T& t);
 ```
 
-`Timeline` is derived from [FrameRateCounter](). So its methods to control timeline are also available. Some useful methods are listed below.
+`Timeline` is derived from [FrameRateCounter](https://github.com/hideakitai/PollingTimer). So its methods to control timeline are also available. Some useful methods are listed below.
 
 ```C++
 virtual void start();  // overridden by Tween::Timeline