diff --git a/README.md b/README.md
index 8641fa170f..66e6e832f9 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 Chez Scheme is a compiler and run-time system for the language of
-the Revised^6 Report on Scheme (R6RS), with numerous extensions.
+the Revised<sup>6</sup> Report on Scheme (R6RS), with numerous extensions.
 The compiler generates native code for each target processor, with
 support for x86, x86_64, and 32-bit PowerPC architectures.
 
 Get started by [Building Chez Scheme](BUILDING).
 
-For more information see the [Chez Scheme Project Page](http://cisco.github.io/ChezScheme/)
+For more information see the [Chez Scheme Project Page](https://cisco.github.io/ChezScheme/).