diff --git a/dictionary b/dictionary
index 57462894..7abe7f40 100644
--- a/dictionary
+++ b/dictionary
@@ -1 +1,2 @@
 boolen->boolean
+aknowledge->acknowledge
diff --git a/lib/gui/app.js b/lib/gui/app.js
index 84249161..8e19dbba 100644
--- a/lib/gui/app.js
+++ b/lib/gui/app.js
@@ -134,7 +134,7 @@ app.run(($timeout, DriveScannerService, DrivesModel, ErrorService, DriveSelector
   DriveScannerService.on('drives', (drives) => {
 
     // Safely trigger a digest cycle.
-    // In some cases, AngularJS doesn't aknowledge that the
+    // In some cases, AngularJS doesn't acknowledge that the
     // available drives list has changed, and incorrectly
     // keeps asking the user to "Connect a drive".
     $timeout(() => {