diff --git a/src/download/thread.py b/src/download/thread.py
index 6d5fb47..8a72ab0 100644
--- a/src/download/thread.py
+++ b/src/download/thread.py
@@ -215,7 +215,7 @@ def youtubedl_download_start():
                     self.video_stop_event.clear()
                     self.cancelled = True
                 except Exception as e:
-                    GLib.idle_add(self.speed_label.set_text, f"{_("An error occurred:")} {self.app.escape_special_characters(str(e))}")
+                    GLib.idle_add(self.speed_label.set_text, f'{_("An error occurred:")} {self.app.escape_special_characters(str(e))}')
                     self.video_stop_event.clear()
                     self.cancelled = True
                     GLib.idle_add(self.set_failed, None)
@@ -603,4 +603,4 @@ def set_failed(self, fraction):
 
         self.stop(False)
         GLib.idle_add(self.pause_button.set_visible, False)
-        self.app.filter_download_list("no", self.app.applied_filter)
\ No newline at end of file
+        self.app.filter_download_list("no", self.app.applied_filter)
diff --git a/src/download/videos.py b/src/download/videos.py
index e2445cb..4c522cb 100644
--- a/src/download/videos.py
+++ b/src/download/videos.py
@@ -312,8 +312,8 @@ def create_option_actionrow(self, group, title, subtitle, type, download_object,
         else:
             # Show error dialog if something went wrong
             error_body = (
-                f"{_("An error occurred:")}\n\n"
-                f"{_("The video platform may not be supported or you may be being blocked by the platform. If you have an active VPN connection that might be the cause, or you can try importing your browser's cookies through a cookies.txt file.")}\n\n\n"
+                f'{_("An error occurred:")}\n\n'
+                f'{_("The video platform may not be supported or you may be being blocked by the platform. If you have an active VPN connection that might be the cause, or you can try importing your browsers cookies through a cookies.txt file.")}\n\n\n'
                 "────────────────────────────\n\n\n"
                 f"{self.escape_special_characters(ytdlp_error)}"
             )
@@ -370,4 +370,4 @@ def on_video_option_download_clicked(self, prefswindow, type, download_object, d
         else:
             break
 
-    on_download_clicked(None, self, url, filename, None, "video", video_options, False, self.appconf["download_directory"])
\ No newline at end of file
+    on_download_clicked(None, self, url, filename, None, "video", video_options, False, self.appconf["download_directory"])