diff --git a/doc/webp-lossless-bitstream-spec.txt b/doc/webp-lossless-bitstream-spec.txt
index 2650fea5..8226bd79 100644
--- a/doc/webp-lossless-bitstream-spec.txt
+++ b/doc/webp-lossless-bitstream-spec.txt
@@ -693,8 +693,7 @@ int offset = (2 + (prefix_code & 1)) << extra_bits;
 return offset + ReadBits(extra_bits) + 1;
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-**Distance Mapping:**
-{:#distance-mapping}
+##### Distance Mapping
 
 As noted previously, a distance code is a number indicating the position of a
 previously seen pixel, from which the pixels are to be copied. This subsection