1 files changed, 11 insertions, 4 deletions

diff --git a/src/include/gnunet_plugin_lib.h b/src/include/gnunet_plugin_lib.h
index d265eb343..2a9cde47f 100644
--- a/src/include/gnunet_plugin_lib.h
+++ b/src/include/gnunet_plugin_lib.h
@@ -18,7 +18,15 @@
      SPDX-License-Identifier: AGPL3.0-or-later
  */
 
+#if !defined (__GNUNET_UTIL_LIB_H_INSIDE__)
+#error "Only <gnunet_util_lib.h> can be included directly."
+#endif
+
 /**
+ * @addtogroup libgnunetutil
+ * Multi-function utilities library for GNUnet programs
+ * @{
+ *
  * @author Christian Grothoff
  *
  * @file
@@ -40,9 +48,6 @@ extern "C"
 #endif
 #endif
 
-#include "gnunet_common.h"
-#include "gnunet_configuration_lib.h"
-
 
 /**
  * Signature of any function exported by a plugin.
@@ -65,7 +70,7 @@ typedef void *
  * @param library_name name of the plugin to test if it is installed
  * @return #GNUNET_YES if the plugin exists, #GNUNET_NO if not
  */
-int
+enum GNUNET_GenericReturnValue
 GNUNET_PLUGIN_test (const char *library_name);
 
 
@@ -169,4 +174,6 @@ GNUNET_PLUGIN_unload (const char *library_name,
 
 /** @} */  /* end of group */
 
+/** @} */ /* end of group addition */
+
 /* end of gnunet_plugin_lib.h */