diff --git a/gunicorn/config.py b/gunicorn/config.py
index 3485fe62..f604f5af 100644
--- a/gunicorn/config.py
+++ b/gunicorn/config.py
@@ -1273,5 +1273,6 @@ class SyslogPrefix(Setting):
     default = None
     desc = """\
     makes gunicorn use the parameter as program-name in the
-    syslog entry header.
+    syslog entry header. All entries will be prefixed by gunicorn.<prefix>. By
+    default the program name is the name of the process.
     """