diff --git a/docs/spelling_wordlist b/docs/spelling_wordlist
index 8d1c6ec082b..8c44d77f790 100644
--- a/docs/spelling_wordlist
+++ b/docs/spelling_wordlist
@@ -357,6 +357,7 @@ localhost
 localizable
 localtime
 Loïc
+loopback
 lorem
 lt
 lte