diff --git a/15_payment_requests.asciidoc b/15_payment_requests.asciidoc
index 2898af3..0ab407d 100644
--- a/15_payment_requests.asciidoc
+++ b/15_payment_requests.asciidoc
@@ -183,7 +183,7 @@ A full list of all the currently defined tagged fields is given in <<table1503>>
 .BOLT #11 tagged invoice fields
 [options="header"]
 |===
-|pass:[<span class="keep-together">Field tag</span>]|pass:[<span class="keep-together">Data Length</span>]|Usage
+|pass:[<span class="keep-together">Field tag</span>]|pass:[<span class="keep-together">Data length</span>]|Usage
 |`p`|`52`|The SHA-256 payment hash.
 |`s`|`52`|A 256-bit secret that increases the end-to-end privacy of a payment by mitigating probing by intermediate nodes.
 |`d`|Variable|The description, a short UTF-8 string of the purpose of the payment.