docs: avoid distracting Unicode warnings in README

README.md

@@ -1,6 +1,6 @@
 # Stash
 
-A public playground for small experiments, useful tools, and ideas worth keeping. Maintained by [Joe Amditis](https://git.inference.coop/jamditis) on the Inference Cooperative’s Gitea.
+A public playground for small experiments, useful tools, and ideas worth keeping. Maintained by [Joe Amditis](https://git.inference.coop/jamditis) on the Inference Cooperative's Gitea.
 
 Stash gives unfinished ideas room to become useful. Each experiment should explain what it does, how to try it, and what remains uncertain. This repository starts with the project scaffolding; no applications or hosted demos are included yet.
 
@@ -37,7 +37,7 @@ Everything committed here is public. Use synthetic or explicitly approved public
 
 ## Checks and automation
 
-This starter has no runtime dependencies and no automated CI configured. Issue and pull-request templates help document verification. Add CI alongside a real experiment once its commands and the co-op’s runner availability are confirmed.
+This starter has no runtime dependencies and no automated CI configured. Issue and pull-request templates help document verification. Add CI alongside a real experiment once its commands and the co-op's runner availability are confirmed.
 
 ## License