diff --git a/tlv.rst b/tlv.rst
index 9b0233a..5741ea1 100644
--- a/tlv.rst
+++ b/tlv.rst
@@ -126,6 +126,8 @@
     65535 => TT02FFFF
     65536 => TT0400010000
 
+.. _evolvability:
+
 Considerations for Evolvability of TLV-Based Encoding
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~