diff --git a/mediapipe/docs/hello_world_ios.md b/mediapipe/docs/hello_world_ios.md
index 76cc8afb3..b6fe3ba10 100644
--- a/mediapipe/docs/hello_world_ios.md
+++ b/mediapipe/docs/hello_world_ios.md
@@ -44,7 +44,7 @@ node: {
   output_stream: "luma_video"
 }
 
-# Applies the Sobel filter to luminance images sotred in RGB format.
+# Applies the Sobel filter to luminance images stored in RGB format.
 node: {
   calculator: "SobelEdgesCalculator"
   input_stream: "luma_video"