Update README.rst
diff --git a/README.rst b/README.rst
index 24350ac..a5c916f 100644
--- a/README.rst
+++ b/README.rst
@@ -25,7 +25,7 @@
 Q&A: ask questions on `StackOverflow with the tag fmt
 <https://stackoverflow.com/questions/tagged/fmt>`_.
 
-Try {fmt} on `Compiler Explorer <https://godbolt.org/z/Eq5763>`_.
+Try {fmt} in `Compiler Explorer <https://godbolt.org/z/Eq5763>`_.
 
 Features
 --------