diff --git a/contrib/gana b/contrib/gana
index 560c1ac1d..b0dd85e81 160000
--- a/contrib/gana
+++ b/contrib/gana
@@ -1 +1 @@
-Subproject commit 560c1ac1d321f7da4fc43ef96858ac27b7eaa2bd
+Subproject commit b0dd85e8187f33a1f92dd5eb31082050d333e168
diff --git a/src/exchangedb/exchangedb_plugin.c b/src/exchangedb/exchangedb_plugin.c
index 21bb032f3..5dc41d988 100644
--- a/src/exchangedb/exchangedb_plugin.c
+++ b/src/exchangedb/exchangedb_plugin.c
@@ -24,12 +24,6 @@
 #include <ltdl.h>
 
 
-/**
- * Initialize the plugin.
- *
- * @param cfg configuration to use
- * @return #GNUNET_OK on success
- */
 struct TALER_EXCHANGEDB_Plugin *
 TALER_EXCHANGEDB_plugin_load (const struct GNUNET_CONFIGURATION_Handle *cfg)
 {
@@ -62,11 +56,6 @@ TALER_EXCHANGEDB_plugin_load (const struct GNUNET_CONFIGURATION_Handle *cfg)
 }
 
 
-/**
- * Shutdown the plugin.
- *
- * @param plugin the plugin to unload
- */
 void
 TALER_EXCHANGEDB_plugin_unload (struct TALER_EXCHANGEDB_Plugin *plugin)
 {
diff --git a/src/include/taler_json_lib.h b/src/include/taler_json_lib.h
index 888256385..ac8793ebc 100644
--- a/src/include/taler_json_lib.h
+++ b/src/include/taler_json_lib.h
@@ -547,7 +547,7 @@ TALER_deposit_extension_hash (const json_t *extensions,
  *
  * @param root is the json object
  * @param[out] mask on succes, will contain the age mask
- * @return GNUNET_OK on success and GNUNET_SYSERR on failure.
+ * @return #GNUNET_OK on success and #GNUNET_SYSERR on failure.
  */
 enum GNUNET_GenericReturnValue
 TALER_agemask_parse_json (const json_t *root,