fix comment

_CoqProject

 -Q theories iris_examples
-# We sometimes want to locally override notation (e.g. in proofmode/base.v, bi/embedding.v), and there
-# is no good way to do that with scopes.
+# We sometimes want to locally override notation and there is no good way to do that with scopes.
 -arg -w -arg -notation-overridden
 # non-canonical projections (https://github.com/coq/coq/pull/10076) do not exist yet in 8.9.
 -arg -w -arg -redundant-canonical-projection