diff --git a/ch06.asciidoc b/ch06.asciidoc
index dc1ecbe9..6f17b5c2 100644
--- a/ch06.asciidoc
+++ b/ch06.asciidoc
@@ -615,7 +615,7 @@ In addition, there is a modifier flag +SIGHASH_ANYONECANPAY+, which can be combi
 | SINGLE\|ANYONECANPAY | 0x83 | Signature applies to one input and the output with the same index number
 |=======================
 
-These flag combinations are summarized in <<sighash_combinations>>
+These flag combinations are summarized in <<sighash_combinations>>.
 
 [[sighash_combinations]]
 .Summary of different sighash combinations