Update readme.md

Author: zer0Kerbal

readme.md

@@ -154,7 +154,7 @@ or [![CKAN][CKAN:img]][CKAN:url] [^3]
 > License: [![License][LIC:org:shd]][LIC:org:url] ![][LIC:org:log]
 
 <!-- mod links -->
-[MOD:forum]: https://forum.kerbalspaceprogram.com/index.php?/topic/192742-* "LithobrakeExplorationTechnologies Forum Thread"
+[MOD:forum]: https://forum.kerbalspaceprogram.com/index.php?/topic/206860-* "LithobrakeExplorationTechnologies Forum Thread"
 [MOD:chlog]: https://github.com/zer0Kerbal/LithobrakeExplorationTechnologies/changelog.md "Changelog"
 [MOD:contr]: https://github.com/zer0Kerbal/.github/blob/master/.github/CONTRIBUTING.md "Contributing"
 [MOD:discu]: https://github.com/zer0Kerbal/LithobrakeExplorationTechnologies/discussions "Discussions"