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

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

Author: catamorphism

component-model/src/design/component-model-concepts.md

@@ -22,7 +22,7 @@ with a component that does the main arithmetic.
 ### WebAssembly Interface Types (WIT)
 
 [WebAssembly Interface Types (WIT)][wit] is the [IDL (Interface Definition Language)][wiki-idl]
-used to formally define functionality for WebAssembly modules.
+used to formally define functionality for WebAssembly components.
 WIT gives WebAssembly components the ability to express type signatures
 in a language-agnostic way,
 so any component binary can be both checked and executed.