diff --git a/doc/Hacking.md b/doc/Hacking.md
index e5288e93a..a797ef6e3 100644
--- a/doc/Hacking.md
+++ b/doc/Hacking.md
@@ -13,6 +13,8 @@ logger.dbg("table a: ", a)
 
 Anything printed by `logger.dbg` starts with `DEBUG`.
 
+On most target platforms, log output is saved to `crash.log` in the `koreader` directory.
+
 ```
 04/06/17-21:44:53 DEBUG foo
 ```