diff --git a/redbot/cogs/downloader/downloader.py b/redbot/cogs/downloader/downloader.py
index 354020f38..aad81a007 100644
--- a/redbot/cogs/downloader/downloader.py
+++ b/redbot/cogs/downloader/downloader.py
@@ -305,10 +305,11 @@ class Downloader(commands.Cog):
             return
 
         if not await repo.install_requirements(cog, self.LIB_PATH):
+            libraries = humanize_list(tuple(map(inline, cog.requirements)))
             await ctx.send(
-                _(
-                    "Failed to install the required libraries for `{cog_name}`: `{libraries}`"
-                ).format(cog_name=cog.name, libraries=cog.requirements)
+                _("Failed to install the required libraries for `{cog_name}`: {libraries}").format(
+                    cog_name=cog.name, libraries=libraries
+                )
             )
             return