update readme

Author: daanx

readme.md

@@ -91,12 +91,14 @@ Note: the `v2.x` beta has a new algorithm for managing internal mimalloc pages t
 * 2021-01-31, `v1.7.0`: stable release 1.7: support explicit user provided memory regions, more precise statistics,
   improve macOS overriding, initial support for Apple M1, improved DragonFly support, faster memcpy on Windows, various small fixes.
 
-* [Older releases](#older-releases)
+* [Older release notes](#older-releases)
 
 Special thanks to:
 
 * [David Carlier](https://devnexen.blogspot.com/) (@devnexen) for his many contributions, and making
   mimalloc work better on many less common operating systems, like Haiku, Dragonfly, etc.
+* Sam Gross ([@colesbury](https://github.com/colesbury)) for the [no GIL](https://github.com/colesbury/nogil) Python fork which 
+  uses mimalloc internally.
 * Mary Feofanova (@mary3000), Evgeniy Moiseenko, and Manuel Pöter (@mpoeter) for making mimalloc TSAN checkable, and finding
   memory model bugs using the [genMC] model checker.
 * Weipeng Liu (@pongba), Zhuowei Li, Junhua Wang, and Jakub Szymanski, for their early support of mimalloc and deployment
@@ -672,7 +674,7 @@ a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow th
 provided by the bot. You will only need to do this once across all repos using our CLA.
 
 
-# Older Releases
+# Older Release Notes
 
 * 2020-09-24, `v1.6.7`: stable release 1.6: using standard C atomics, passing tsan testing, improved
   handling of failing to commit on Windows, add [`mi_process_info`](https://github.com/microsoft/mimalloc/blob/master/include/mimalloc.h#L156) api call.