diff --git a/scripts/spellcheck/dicts/emqx.txt b/scripts/spellcheck/dicts/emqx.txt
index 83edb22d1..d482cd3f3 100644
--- a/scripts/spellcheck/dicts/emqx.txt
+++ b/scripts/spellcheck/dicts/emqx.txt
@@ -166,6 +166,7 @@ ip
 ipv
 jenkins
 jq
+json
 kb
 keepalive
 keyfile