change the note style and link to the ref data type.

Signed-off-by: Milad Khajavi <khajavi@gmail.com>
zio · Mar 26, 2021 · 3992ca4 · 3992ca4
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commit 3992ca4
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/docs/datatypes/concurrency/refm.md b/docs/datatypes/concurrency/refm.md
@@ -4,7 +4,9 @@ title: "RefM"
 ---
 `RefM[A]` models a **mutable reference** to a value of type `A` in which we can store **immutable** data, and update it atomically **and** effectfully.
 
-Almost all of `RefM` operations are the same as `Ref`. We suggest reading `Ref` at first if you are not familiar with `Ref`.
+> _**Note:**_
+>
+> Almost all of `RefM` operations are the same as `Ref`. We suggest reading [`Ref`](ref.md) at first if you are not familiar with `Ref`.
 
 Let's explain how we can update a shared state effectfully with `RefM`. The `update` method and all other related methods get an effectful operation and then run they run these effects to change the shared state. This is the main difference between `RefM` and `Ref`.