diff --git a/Error-messages.md b/Error-messages.md
index 615898a..9aeb162 100644
--- a/Error-messages.md
+++ b/Error-messages.md
@@ -29,4 +29,5 @@
 * KCC don't have rights to create files in directory containing source files.
 
 ### Not enough disk space to perform the conversion.
-* There is not enough space on the disk that store temporary files.
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+* There is not enough space on the disk that store temporary files.
+  * you may try to start the tool with a different temporary directory e.g. on MacOS `TMPDIR=/Volumes/exchange/tmp open /Applications/Kindle\ Comic\ Converter.app`
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