Reword comment about $trampoline a little

wipforth.wat

@@ -1060,10 +1060,10 @@
 
  ;; Outer interpreter
 
- ;; The trampoline is the workaround for WebAssembly's lack of
- ;; indirect jumps, and lack of addresses for code.  Instead of
- ;; jumping into the next codeword, NEXT sets the $fn global to the
- ;; function index of the next codeword and returns to the trampoline.
+ ;; The trampoline is a workaround for WebAssembly's lack of indirect
+ ;; jumps and code addresses.  Instead of jumping into the next
+ ;; codeword, NEXT sets the $fn global to the function index of the
+ ;; next codeword and returns to the trampoline.
  ;;
  ;; This way, we can simulate jumping to the code within WebAssembly's
  ;; restrictions without the WebAssembly call stack growing unbounded