diff --git a/README.md b/README.md
index 8da74230..1877bd4d 100644
--- a/README.md
+++ b/README.md
@@ -247,7 +247,7 @@ Table of Contents
   * [blackfire.io](https://blackfire.io/) — Blackfire is the SaaS-delivered Application Performance Solution. Free Hacker plan (PHP only)
   * [apimetrics.io](https://apimetrics.io/) — Automated API Performance Monitoring, Testing and Analytics. Free Plan, manually make API calls and Run from their West Coast servers
   * [opsdash.com](https://www.opsdash.com/) — Self-hoster server, clusters and services monitoring, free for 5 servers and 5 services
-  * [healthchecks.io](https://healthchecks.io) — Monitor your cron jobs and background tasks. Unlimited free checks
+  * [healthchecks.io](https://healthchecks.io) — Monitor your cron jobs and background tasks. Free for up to 20 checks.
   * [appbeat.io](https://appbeat.io) — Website monitoring, 3 monitors free. They offer very reliable and affordable monitor service.
   * [assertible.com](https://assertible.com) — Automated API testing and monitoring. Free plans for teams and individuals.
   * [letsmonitor.org](https://letsmonitor.org/) — TLS certificate expiration and connectivity monitoring with email and SMS alerts.