diff --git a/book/source/15-migration.md b/book/source/15-migration.md
index d6e32da..8750986 100644
--- a/book/source/15-migration.md
+++ b/book/source/15-migration.md
@@ -71,7 +71,7 @@ It is not possible to adopt v4 subkeys into a v6 key, since every subkey to a v6
 [^v6subkey]: See [OpenPGP v6 certificate structure](https://www.ietf.org/archive/id/draft-ietf-openpgp-crypto-refresh-12.html#section-10.1.1-5)
 
 
-### Converting v4 keys into v6 keys
+### Converting v4 component keys into v6 component keys
 
 ```{admonition} TL;DR
 :class: info