diff --git a/docs/_sidebar.md b/docs/_sidebar.md
index 9119e12..ea0f9b1 100644
--- a/docs/_sidebar.md
+++ b/docs/_sidebar.md
@@ -10,6 +10,7 @@
 - [equals](equals.md)
 - [filter](filter.md)
 - [forEach](foreach.md)
+- [for...of](forof.md)
 - [has](has.md)
 - [intersection](intersection.md)
 - [isDisjointWith](isdisjointwith.md)
diff --git a/docs/add.md b/docs/add.md
index ba8a6fe..a1f5c5c 100644
--- a/docs/add.md
+++ b/docs/add.md
@@ -4,11 +4,11 @@
 
 Adds an element to the existing set. Returns the current set (with the new element).
 
-`add(val: T): AdvancedSet<T>`
+`add(...vals: T[]): AdvancedSet<T>`
 
 ### Parameters
 
-`val` - The element to add to the set.
+`vals` - Any elements to be added to the set.
 
 ### Usage
 
@@ -18,10 +18,12 @@ setA.add(0); // AdvancedSet(1, 2, 3, 4, 5, 0)
 
 // Original object is changed, as well as the return value
 console.log(setA); // AdvancedSet(1, 2, 3, 4, 5, 0)
+
+setA.add(6, 7, 8);
 ```
 
 ### Details
 
 Introduced in: 0.0.1
 
-Last updated in: 0.0.1
+Last updated in: 0.0.3
diff --git a/docs/equals.md b/docs/equals.md
index 7ce7f19..9bf3055 100644
--- a/docs/equals.md
+++ b/docs/equals.md
@@ -27,4 +27,4 @@ setA.equals(setC); // false
 
 Introduced in: 0.0.1
 
-Last updated in: 0.0.1
+Last updated in: 0.0.3
diff --git a/docs/forof.md b/docs/forof.md
new file mode 100644
index 0000000..acc8d79
--- /dev/null
+++ b/docs/forof.md
@@ -0,0 +1,24 @@
+# for...of()
+
+### Overview
+
+`AdvancedSet`'s have iterator support, which allows them to be used in `for...of` loops
+
+### Parameters
+
+None
+
+### Usage
+
+```js
+const setA = new AdvancedSet(1, 2, 3, 4, 5, 6);
+for (const val of setA) {
+  console.log(val);
+}
+```
+
+### Details
+
+Introduced in: 0.0.3
+
+Last updated in: 0.0.3
diff --git a/docs/intersection.md b/docs/intersection.md
index dc85c40..f222323 100644
--- a/docs/intersection.md
+++ b/docs/intersection.md
@@ -27,4 +27,4 @@ setA.intersection(setC); // AdvancedSet()
 
 Introduced in: 0.0.1
 
-Last updated in: 0.0.1
+Last updated in: 0.0.3