diff --git a/Registration-with-captcha.md b/Registration-with-captcha.md
index a5f17c5..40d946d 100644
--- a/Registration-with-captcha.md
+++ b/Registration-with-captcha.md
@@ -34,3 +34,5 @@ signal-cli -u USERNAME register --captcha 03AG...Uonw
 ```
 
 If you do not get any error, you can proceed with the verify command.
+
+If you get the error `Invalid captcha given.` Just try to do the re-captcha again. It seems the code is good for a very short period of time, and if you aren't exactly accurate with the captcha challenge, the you'll still get a code but it won't work. So, just try again. On my 4th try, I guess I finally got it right.