diff --git a/docs/Readme.md b/docs/Readme.md
index 16a8a3e8..74b876de 100644
--- a/docs/Readme.md
+++ b/docs/Readme.md
@@ -10,7 +10,7 @@ Before looking at this material be sure to read the [tutorial](tutorial.md)
 * [Build systems](build-systems.md)
 * [Supplying your own main()](own-main.md)
 * [Configuration](configuration.md)
-* [String Conversions](toString.md)
+* [String Conversions](tostring.md)
 * [Why are my tests slow to compile?](slow-compiles.md)
 
 Other