diff --git a/book/source/09-verification.md b/book/source/09-verification.md
index 168d4e0..e4b8ddb 100644
--- a/book/source/09-verification.md
+++ b/book/source/09-verification.md
@@ -189,7 +189,7 @@ Signatures shadow one another, based on reference time.
 Multiple signatures can be attached to an OpenPGP certificate or component. These signatures can contain conflicting information.
 
 When verifying a signature that is not self-qualifying, an implementation needs to consider self-qualifying signatures on the issuer's certificate for qualification.
-There might be several signatures per component.
+There may be several signatures per component.
 
 For example, there could be multiple subkey binding signatures for one subkey.
 In general, for each category of signatures, only the signature with the latest creation time is considered and takes precedence.