diff --git a/README_SETUP.md b/README_SETUP.md
index ea0284e2dd0458eee5aa7c9e165a3e6767e57d55..147745c32ad3d1460609e91942e4b7400b243560 100644
--- a/README_SETUP.md
+++ b/README_SETUP.md
@@ -116,6 +116,7 @@ Please adhere to [Google's C++ naming conventions](https://google.github.io/styl
 You can use a json file for the configuration of the client. See
 `test/test_data/test_caosdb_client.json` for an example. You may use
 `caosdb-client-configuration-schema.json` to validate your schema.
+Typically, you will need to provide the path to your SSL certificate.
 
 The client will load the configuration file from the first existing
 file in the following locations (precedence from highest to lowest):