1 files changed, 2 insertions, 0 deletions
diff --git a/git/repo/base.py b/git/repo/base.py
index 5a85cc4e..a1be5ff9 100644
--- a/git/repo/base.py
+++ b/git/repo/base.py
@@ -858,6 +858,8 @@ class Repo(object):
     @property
     def active_branch(self) -> Head:
         """The name of the currently active branch.
+
+        :raises	TypeError: If HEAD is detached
         :return: Head to the active branch"""
         # reveal_type(self.head.reference)  # => Reference
         return self.head.reference