diff --git a/specs/bep-v1.rst b/specs/bep-v1.rst
index 0a2b040fd..bd13515e9 100644
--- a/specs/bep-v1.rst
+++ b/specs/bep-v1.rst
@@ -30,7 +30,7 @@ level protocols providing encryption and authentication.
 
 ::
 
-    +-----------------------------|
+    +-----------------------------+
     |   Block Exchange Protocol   |
     |-----------------------------|
     | Encryption & Auth (TLS 1.2) |