Fix "note that" comma everywhere
diff --git a/docs/shared-mutable-state-and-concurrency.md b/docs/shared-mutable-state-and-concurrency.md
index 26005ee..86c932a 100644
--- a/docs/shared-mutable-state-and-concurrency.md
+++ b/docs/shared-mutable-state-and-concurrency.md
@@ -553,7 +553,7 @@
Actor is more efficient than locking under load, because in this case it always has work to do and it does not
have to switch to a different context at all.
-> Note, that an [actor] coroutine builder is a dual of [produce] coroutine builder. An actor is associated
+> Note that an [actor] coroutine builder is a dual of [produce] coroutine builder. An actor is associated
with the channel that it receives messages from, while a producer is associated with the channel that it
sends elements to.