diff --git a/browser/components/sessionstore/src/SessionStore.jsm b/browser/components/sessionstore/src/SessionStore.jsm
index 37d9f2c9424..1c83d25c999 100644
--- a/browser/components/sessionstore/src/SessionStore.jsm
+++ b/browser/components/sessionstore/src/SessionStore.jsm
@@ -3035,7 +3035,7 @@ let SessionStoreInternal = {
   },
 
   /**
-   * Restory history for a window
+   * Restore history for a window
    * @param aWindow
    *        Window reference
    * @param aTabs