diff --git a/doc/system/taler/implementation.tex b/doc/system/taler/implementation.tex
index 9d7cb9a9e..e7d8b9dc7 100644
--- a/doc/system/taler/implementation.tex
+++ b/doc/system/taler/implementation.tex
@@ -1179,7 +1179,7 @@ Section~\ref{sec:compromised-signing-key-detection}.
 
 In the future, we plan for the auditor to expose additional endpoints where
 wallets and merchant backends can submit (cryptographic) proofs of
-missbehavior from an exchange. The goal would be to automatically verify the
+misbehavior from an exchange. The goal would be to automatically verify the
 proofs, take corrective action by including the information in the audit
 report and possibly even compensating the victim.