diff --git a/book/source/06-signatures.md b/book/source/06-signatures.md
index 3e0900e..fba169f 100644
--- a/book/source/06-signatures.md
+++ b/book/source/06-signatures.md
@@ -16,7 +16,7 @@ The term *signature* can have two different meanings in the context of OpenPGP:
 - Cryptographic keys create raw signatures which are byte sequences calculated according to some signature scheme.
 - [*OpenPGP signature packets*](https://www.ietf.org/archive/id/draft-ietf-openpgp-crypto-refresh-12.html#name-signature-packet-type-id-2), which combine a *type* setting, additional metadata, and a raw cryptographic signature.
 
-```{figure} diag/types_of_signatures.png
+```{figure} diag/meaning_of_signatures.png
 
 Two meanings of the term "signature" in OpenPGP
 ```
diff --git a/book/source/diag/types_of_signatures.png b/book/source/diag/types_of_signatures.png
deleted file mode 100644
index 44b7a15..0000000
Binary files a/book/source/diag/types_of_signatures.png and /dev/null differ