diff --git a/cps/services/__init__.py b/cps/services/__init__.py
index aa674e6d..032ffd0a 100644
--- a/cps/services/__init__.py
+++ b/cps/services/__init__.py
@@ -26,13 +26,13 @@ log = logger.create()
 
 try: from . import goodreads
 except ImportError as err:
-    log.debug("goodreads: %s", err)
+    log.debug("cannot import goodreads, showing authors-metadata will not work: %s", err)
     goodreads = None
 
 
 try: from . import simpleldap as ldap
 except ImportError as err:
-    log.debug("simpleldap: %s", err)
+    log.debug("cannot import simpleldap, logging in with ldap will not work: %s", err)
     ldap = None