diff --git a/doc.zih.tu-dresden.de/docs/data_lifecycle/permanent.md b/doc.zih.tu-dresden.de/docs/data_lifecycle/permanent.md
index e5f7a3359b7b58b8c413d8c0237634cc8229f88a..840be04040f5ade18bbb43cdebecd0e7ba54b5b2 100644
--- a/doc.zih.tu-dresden.de/docs/data_lifecycle/permanent.md
+++ b/doc.zih.tu-dresden.de/docs/data_lifecycle/permanent.md
@@ -31,8 +31,9 @@ submit jobs into the batch system. Running jobs are not affected.
      We have no feasible way to get the contribution of
      a single user to a project's disk usage.
 
-Because of the quota, it is recommended not to store cache data, which is automatically
-created by some applications or frameworks, in `/tmp` or in workspaces.
+Some applications and frameworks are known to store cache or temporary data at places where quota
+applies. You can change the default places using environment variables. We suggest to put such data
+in `/tmp` or workspaces.
 We cannot list all applications that do this, but some known ones are
 
 | Application      | Environment variable              |