diff --git a/src/site/markdown/ca/letsencrypt.md b/src/site/markdown/ca/letsencrypt.md
index c6ef2c1c..151d8341 100644
--- a/src/site/markdown/ca/letsencrypt.md
+++ b/src/site/markdown/ca/letsencrypt.md
@@ -12,6 +12,14 @@ Web site: [Let's Encrypt](https://letsencrypt.org)
 
 * Connection to the ACME server is pinned to the Let's Encrypt certificate
 
+## Limits
+
+* Registrations per IP: 10 per 3 hours
+* Certificates per Domain: 5 per 7 days
+* SANs per Certificate: 100
+
+See [here](https://community.letsencrypt.org/t/public-beta-rate-limits/4772) for the current limits.
+
 ## Intermediate Certificates
 
 The _Let's Encrypt_ intermediate certificates are available [here](https://letsencrypt.org/certificates/).