diff --git a/doc/spelling_wordlist.txt b/doc/spelling_wordlist.txt
index f2c9c5db4..fed998c2b 100644
--- a/doc/spelling_wordlist.txt
+++ b/doc/spelling_wordlist.txt
@@ -66,6 +66,7 @@ ons
 optimizations
 overpayment
 param
+passphrase
 percental
 positionid
 pre