diff --git a/ios/Extensions/AVFrameRateRange+includes.swift b/ios/Extensions/AVFrameRateRange+includes.swift
index 00a1f6e..f68ff45 100644
--- a/ios/Extensions/AVFrameRateRange+includes.swift
+++ b/ios/Extensions/AVFrameRateRange+includes.swift
@@ -9,6 +9,9 @@
 import AVFoundation
 
 extension AVFrameRateRange {
+  /**
+   * Returns true if this [AVFrameRateRange] contains the given [fps]
+   */
   func includes(fps: Double) -> Bool {
     return fps >= minFrameRate && fps <= maxFrameRate
   }