diff --git a/readme.md b/readme.md
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--- a/readme.md
+++ b/readme.md
@@ -9,8 +9,13 @@ drwxr-sr-x. 8 sandst_a unx-sls_ioc 4096 Sep 13 14:16 .git
 -rwxrwxr-x. 1 sandst_a unx-sls_ioc  337 Sep 13 14:13 pythonVenv.sh
 -rw-rw-r--. 1 sandst_a unx-sls_ioc  910 Sep 13 14:13 readme.md
 drwxrwsr-x. 6 sandst_a unx-sls_ioc 4096 Sep 13 14:13 .venv
-
 ```
+
+## Use
+
+The venv is copied to the ecmc-server /tmp dir at boot, see:
+https://git.psi.ch/motion/ecmc_server_cfg/-/blob/master/AutoStart/S10-ecmc-python-venv?ref_type=heads
+
 ## Generate the venv
 
 Use pythonVenv.sh to generate an ecmc venv in current dir (the script is copied from ecmccfg/scripts/jinja2/):