diff --git a/redbot/cogs/downloader/downloader.py b/redbot/cogs/downloader/downloader.py
index 5a81f115d..7efe8aff8 100644
--- a/redbot/cogs/downloader/downloader.py
+++ b/redbot/cogs/downloader/downloader.py
@@ -1447,7 +1447,7 @@ class Downloader(commands.Cog):
             message += (
                 _("\nSome cogs with these names are already installed from different repos: ")
                 if len(name_already_used) > 1
-                else _("\nCog with this name is already installed from a different repo.")
+                else _("\nCog with this name is already installed from a different repo: ")
             ) + humanize_list(name_already_used)
         correct_cogs, add_to_message = self._filter_incorrect_cogs(cogs)
         if add_to_message: