diff --git a/app/internal_packages/thread-sharing/lib/thread-sharing-popover.tsx b/app/internal_packages/thread-sharing/lib/thread-sharing-popover.tsx
index 73b162d15..812a32f4b 100644
--- a/app/internal_packages/thread-sharing/lib/thread-sharing-popover.tsx
+++ b/app/internal_packages/thread-sharing/lib/thread-sharing-popover.tsx
@@ -123,7 +123,7 @@ export default class ThreadSharingPopover extends React.Component<
               {localized('Syncing') + '...'}
               <div className="meta">
                 {localized(
-                  `Mailspring is syncing this thread and it's attachments to the cloud. For long threads, this may take a moment.`
+                  `Mailspring is syncing this thread and its attachments to the cloud. For long threads, this may take a moment.`
                 )}
               </div>
             </label>