diff --git a/browser/devtools/shared/widgets/Graphs.jsm b/browser/devtools/shared/widgets/Graphs.jsm
index e8179d9e5ae..73936a9c640 100644
--- a/browser/devtools/shared/widgets/Graphs.jsm
+++ b/browser/devtools/shared/widgets/Graphs.jsm
@@ -511,7 +511,7 @@ AbstractCanvasGraph.prototype = {
     let ctx = this._ctx;
     ctx.clearRect(0, 0, this._width, this._height);
 
-    // Draw the grpah underneath the cursor and selection.
+    // Draw the graph underneath the cursor and selection.
     if (this.hasData()) {
       ctx.drawImage(this._cachedGraphImage, 0, 0, this._width, this._height);
     }