diff --git a/README.md b/README.md
index 77afb1f..c302b88 100644
--- a/README.md
+++ b/README.md
@@ -253,6 +253,8 @@ Before pushing a build, you must:
 
 Once that's done, you can call `git push --follow-tags` [<sup id=a1>1</sup>](#f1), and let [Travis CI](https://travis-ci.org/abbeycode/UnrarKit/builds) take care of the rest.
 
+_Note: if the push to CocoaPods fails in Travis CI, it's almost certainly because the Trunk token has expired. Follow [this Stack Overflow answer]](https://stackoverflow.com/a/31511532/105717)'s instructions to fix it. Next time, try `pod trunk me`_
+
 # Credits
 
 * Dov Frankel (dov@abbey-code.com)