docs: Fix typo

Co-authored-by: Rob Moore (MakerX) <[email protected]>

architecture-decisions/2024-06-06_arc4-types.md

@@ -54,7 +54,7 @@ Cons:
 
 Algorand TypeScript defines native types which make sense and excludes ones which don't (eg. UFixedNxM), but also implements all arc4 types in a separate module. It's possible to convert between the two - where such a conversion exists. Native types can have optimised in memory representations whilst arc4 types follow prescribed encoding.
 
-This is the approach taking by Algorand Python.
+This is the approach taken by Algorand Python.
 
 Pros:
  - Zero cost decoding of ABI args available as an option. (by opting to use the arc4 type)