diff --git a/src/borg/algorithms/__init__.py b/src/borg/algorithms/__init__.py
index e69de29bb..cfa46c519 100644
--- a/src/borg/algorithms/__init__.py
+++ b/src/borg/algorithms/__init__.py
@@ -0,0 +1,11 @@
+"""
+borg.algorithms
+===============
+
+This package is intended for hash and checksum functions.
+
+Ideally these would be sourced from existing libraries,
+but are frequently not available yet (blake2), are
+available but in poor form (crc32) or don't really
+make sense as a library (xxHash).
+"""