diff --git a/book/source/signatures.md b/book/source/signatures.md
index 55371f5..2c80b22 100644
--- a/book/source/signatures.md
+++ b/book/source/signatures.md
@@ -76,6 +76,8 @@ Structure and context of an {term}`OpenPGP signature packet`
 
 The input data packets differ between specific signature types. Also see {numref}`fig-signature-types`. 
 
+For example:
+
 - [**Binary data signature**](data-signature-types): The input data packet is a {term}`literal data packet`.
 - [**Subkey binding signature**](bind-subkey): The input data packets consist of a primary and a subkey packet.