diff --git a/doc/spelling_wordlist.txt b/doc/spelling_wordlist.txt
index f2f1b85b3e..16c699c026 100644
--- a/doc/spelling_wordlist.txt
+++ b/doc/spelling_wordlist.txt
@@ -110,6 +110,7 @@ subdomains
 subevent
 subevents
 submodule
+subnet
 subpath
 Symfony
 systemd