Update component-model/src/design/wit.md

Co-authored-by: Victor Adossi <123968127+vados-cosmonic@users.noreply.github.com>

Author: catamorphism

component-model/src/design/wit.md

@@ -356,7 +356,7 @@ flags allowed-methods {
 ### Type aliases
 
 You can define a new type alias using `type ... = ...`.
-This can be useful for giving shorter or more meaningful names to types:
+Type aliases are useful for giving shorter or more meaningful names to types:
 
 ```wit
 type buffer = list<u8>;