diff --git a/docs/domains-json.md b/docs/domains-json.md
index 054f0c2a2..c1f0c19e6 100644
--- a/docs/domains-json.md
+++ b/docs/domains-json.md
@@ -103,7 +103,7 @@ MX must be a list of host names
 ```
 
 * **TXT**
-TXT can be any string value
+TXT can be any string value. **You can only have 1 TXT record.**
 ```json
 {
   "record": {