Fix links

README.md

@@ -22,16 +22,18 @@ is in addition to the code, developer time, and gifts-in-kind that many of our c
 Open Source Pledge is brought to you by [Sentry][sentry] and [contributors][contributors].
 
 * **Want to learn more?** Visit [osspledge.com](https://osspledge.com) and follow our progress on our [launch
-  ticket](launch-ticket).
-* **Want to make the Pledge?** Find out [how to join](https://osspledge.com/join/).
+  ticket][launch-ticket].
+* **Want to make the Pledge?** Find out [how to join][join].
 * **Want to participate as a maintainer, foundation or funding platform?** Join an upcoming [ecosystem partners
-  call](https://cal.com/osspledge/ecosystem-call) to learn more and be heard.
+  call][ecosystem-call] to learn more and be heard.
 * **Want to help?** [Dive into our issues][issues] or reach out to the working group leads listed below either in issues
   or [on Discord][discord].
 
 [contributors]: (https://github.com/opensourcepledge/osspledge.com/graphs/contributors).
 [discord]: https://discord.gg/svH5XzDsBd
+[ecosystem-call]: https://cal.com/osspledge/ecosystem-call
 [issues]: https://github.com/opensourcepledge/osspledge.com/issues
+[join]: https://osspledge.com/join/
 [launch-ticket]: https://github.com/opensourcepledge/osspledge.com/issues/4
 [osp]: https://osspledge.com/
 [restaurant]: https://openpath.chadwhitacre.com/2024/open-source-is-a-restaurant/