capsules: system: README

Spelling fix

Co-authored-by: Pat Pannuto <pat.pannuto@gmail.com>

capsules/system/README.md

@@ -7,6 +7,6 @@ cannot use `unsafe`. The difference is that system capsules implement non-HIL
 interfaces defined in the core kernel crate and extend the functionality of the
 core kernel.
 
-These capsules are used the same was as other capsules in that they are
+These capsules are used the same way as other capsules in that they are
 instantiated in board main.rs files (often using components). However, these
 capsule objects are passed to the core kernel.