diff --git a/tlv.rst b/tlv.rst
index 969eb41..68e4130 100644
--- a/tlv.rst
+++ b/tlv.rst
@@ -84,7 +84,9 @@
 - if the length is 4, the ``NonNegativeInteger`` is encoded in 4 octets, in network byte-order;
 - if the length is 8, the ``NonNegativeInteger`` is encoded in 8 octets, in network byte-order.
 
-The following shows a few examples of TLVs that have a ``NonNegativeInteger`` as their value component in hexadecimal format (where ``TT`` represents the TLV-TYPE, followed by the TLV-LENGTH, and then the TLV-VALUE)::
+The following shows a few examples of TLVs that have a ``NonNegativeInteger`` as their value component in hexadecimal format (where ``TT`` represents the TLV-TYPE, followed by the TLV-LENGTH, and then the TLV-VALUE):
+
+.. code-block:: none
 
     0     => TT0100
     1     => TT0101