"Yours" is possessive already

No apostraphe necessary here. One less apostraphe spent and one step
closer to carbon-neutral!

Author: ianjmacintosh

exercises/05.typescript/06.problem.satisfies/README.mdx

@@ -29,7 +29,7 @@ See? No type widening! Wahoo!
 
 <callout-info>
 	Before `satisfies` came out, we had to use a "Constrained Identity Function"
-	(pattern coined by your's truly). Learn more in **[How to write a Constrained
+	(pattern coined by yours truly). Learn more in **[How to write a Constrained
 	Identity Function (CIF) in
 	TypeScript](https://kentcdodds.com/blog/how-to-write-a-constrained-identity-function-in-typescript)**
 </callout-info>