diff --git a/protocols/BTP.md b/protocols/BTP.md
index 5892c20593bd5fdf977a9ec0649b423cac297f0b..b7ceb532890347c3229462a531c266c9a2e8d0ca 100644
--- a/protocols/BTP.md
+++ b/protocols/BTP.md
@@ -102,7 +102,7 @@ Before two peers can communicate using BTP they must agree on the following prop
 
 - len(x) denotes the length of x in bytes
 
-- int_n(x) denotes x represented as an unsigned, big-endian, n-bit integer
+- int\_n(x) denotes x represented as an unsigned, big-endian, n-bit integer
 
 ### 1.7 Cryptographic Primitives