diff --git a/Upgrade-instructions.md b/Upgrade-instructions.md
index 8429812..2e28b9d 100644
--- a/Upgrade-instructions.md
+++ b/Upgrade-instructions.md
@@ -21,4 +21,12 @@ Nine times out of ten this will successfully upgrade your installation to the la
 
 ### White screen
 
-Check if ``app/storage/logs`` is writeable. If so, follow the errors in the latest log files and open an issue.
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+Check if ``app/storage/logs`` is writeable. If so, follow the errors in the latest log files and open an issue.
+
+### Some migration error
+
+Some queries are pretty complex, and they're built to both change the database and unchange it. Bugs are a common occurrence.
+
+If you run into large red errors when migrating, [create a new issue](https://github.com/JC5/firefly-iii/issues/new).
+
+The easiest fix, sadly, is changing your database manually. Open your favorite SQL editor (phpMyAdmin or something similar) and 
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