diff --git a/threat-model.md b/threat-model.md
index 4f2a517..da6f5de 100644
--- a/threat-model.md
+++ b/threat-model.md
@@ -1,6 +1,6 @@
 ## Briar Threat Model
 
-The following model is informed by the Trike methodology. Threats are generated by applying each attackers' capabilities to each asset/action combination.
+The following model is informed by the Trike methodology. Threats are generated by applying each attacker's capabilities to each asset/action combination.
 
 To keep the model tractable, the following aspects have been excluded:
 * Traffic analysis of transports designed to be unlinkable, such as Tor