diff --git a/_browser/todo-list.md b/_browser/todo-list.md
index 3440a816..c4d9d370 100644
--- a/_browser/todo-list.md
+++ b/_browser/todo-list.md
@@ -9,7 +9,7 @@ permalink: /:collection/:path.html
 In this tutorial, you build the code for and run a single-page application (SPA)
 with Blockstack and React. Once the application is running, you take a tour
 through the applications’ Blockstack functionality. You’ll learn how it manages
-authentcation using a Blockstack ID and how it stores information associated
+authentication using a Blockstack ID and how it stores information associated
 with that ID using Blockstack Storage (Gaia).
 
 * TOC