diff --git a/MANIFEST.in b/MANIFEST.in
index 3f4ce4f..7c5374c 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1 +1,2 @@
-include tests/*.py
\ No newline at end of file
+include tests/*.py
+include manual.pdf
\ No newline at end of file