diff --git a/src/pip/_internal/commands/cache.py b/src/pip/_internal/commands/cache.py
index 5de19a16e..209614ff6 100644
--- a/src/pip/_internal/commands/cache.py
+++ b/src/pip/_internal/commands/cache.py
@@ -30,7 +30,7 @@ class CacheCommand(Command):
     - remove: Remove one or more package from the cache.
     - purge: Remove all items from the cache.
 
-    <pattern> can be a glob expression or a package name.
+    ``<pattern>`` can be a glob expression or a package name.
     """
 
     ignore_require_venv = True