diff --git a/docs/3rd_party/README b/docs/3rd_party/README
new file mode 100644
index 00000000..1f7b9b6a
--- /dev/null
+++ b/docs/3rd_party/README
@@ -0,0 +1,5 @@
+Here we store 3rd party documentation, licenses, etc.
+
+Please note that all files inside the "borg" package directory (except the
+stuff excluded in setup.py) will be INSTALLED, so don't keep docs or licenses
+there.
diff --git a/src/borg/algorithms/blake2/COPYING b/docs/3rd_party/blake2/COPYING
similarity index 100%
rename from src/borg/algorithms/blake2/COPYING
rename to docs/3rd_party/blake2/COPYING
diff --git a/src/borg/algorithms/blake2/README.md b/docs/3rd_party/blake2/README.md
similarity index 100%
rename from src/borg/algorithms/blake2/README.md
rename to docs/3rd_party/blake2/README.md