diff --git a/toot/tui/app.py b/toot/tui/app.py
index 0e3f6d1..b1d885a 100644
--- a/toot/tui/app.py
+++ b/toot/tui/app.py
@@ -403,7 +403,7 @@ class TUI(urwid.Frame):
 
         if links:
             links = list(set(links))  # deduplicate links
-            links = sorted(links, key = lambda link: link[0])  # sort alphabetically by URL
+            links = sorted(links, key=lambda link: link[0])  # sort alphabetically by URL
             sl_widget = StatusLinks(links)
             urwid.connect_signal(sl_widget, "clear-screen", _clear)
             self.open_overlay(