diff --git a/contrib/gana b/contrib/gana
index 9657bf77d..2b89e6cc7 160000
--- a/contrib/gana
+++ b/contrib/gana
@@ -1 +1 @@
-Subproject commit 9657bf77de05c0ac17ff39629306a604066b21de
+Subproject commit 2b89e6cc727a605351dcf7ddc80c52b0200376b8
diff --git a/src/auditor/taler-helper-auditor-purses.c b/src/auditor/taler-helper-auditor-purses.c
index 7a011d3b2..0136a9ec3 100644
--- a/src/auditor/taler-helper-auditor-purses.c
+++ b/src/auditor/taler-helper-auditor-purses.c
@@ -433,8 +433,10 @@ setup_purse (struct PurseContext *pc,
  * Function called on purse requests.
  *
  * @param cls closure
+ * @param rowid which row in the database was the request stored in
  * @param purse_pub public key of the purse
  * @param merge_pub public key representing the merge capability
+ * @param purse_creation when was the purse created
  * @param purse_expiration when would an unmerged purse expire
  * @param h_contract_terms contract associated with the purse
  * @param age_limit the age limit for deposits into the purse
diff --git a/src/auditor/taler-helper-auditor-reserves.c b/src/auditor/taler-helper-auditor-reserves.c
index a4041c993..521107b5c 100644
--- a/src/auditor/taler-helper-auditor-reserves.c
+++ b/src/auditor/taler-helper-auditor-reserves.c
@@ -1228,6 +1228,8 @@ handle_account_merged (
  * @param cls closure
  * @param rowid unique serial ID for the refund in our DB
  * @param purse_pub public key of the purse
+ * @param reserve_pub which reserve is the purse credited to
+ * @param purse_value what is the target value of the purse
  * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop
  */
 static enum GNUNET_GenericReturnValue
diff --git a/src/auditordb/pg_get_deposit_confirmations.c b/src/auditordb/pg_get_deposit_confirmations.c
index ed8a60fb0..db65ba270 100644
--- a/src/auditordb/pg_get_deposit_confirmations.c
+++ b/src/auditordb/pg_get_deposit_confirmations.c
@@ -60,7 +60,7 @@ struct DepositConfirmationContext
 
 
 /**
- * Helper function for #postgres_get_deposit_confirmations().
+ * Helper function for #TEH_PG_get_deposit_confirmations().
  * To be called with the results of a SELECT statement
  * that has returned @a num_results results.
  *
diff --git a/src/auditordb/pg_get_predicted_balance.h b/src/auditordb/pg_get_predicted_balance.h
index 15949fd9d..925e6a85b 100644
--- a/src/auditordb/pg_get_predicted_balance.h
+++ b/src/auditordb/pg_get_predicted_balance.h
@@ -14,12 +14,12 @@
    TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
  */
 /**
- * @file pg_get_predicted_.h
- * @brief implementation of the get_predicted_ function
+ * @file pg_get_predicted_balance.h
+ * @brief implementation of the get_predicted_balance function
  * @author Christian Grothoff
  */
-#ifndef PG_GET_PREDICTED__H
-#define PG_GET_PREDICTED__H
+#ifndef PG_GET_PREDICTED_BALANCE_H
+#define PG_GET_PREDICTED_BALANCE_H
 
 #include "taler_util.h"
 #include "taler_json_lib.h"
diff --git a/src/auditordb/pg_list_exchanges.c b/src/auditordb/pg_list_exchanges.c
index 964c01925..0ea849dcf 100644
--- a/src/auditordb/pg_list_exchanges.c
+++ b/src/auditordb/pg_list_exchanges.c
@@ -50,7 +50,7 @@ struct ExchangeInfoContext
 
 
 /**
- * Helper function for #postgres_list_exchanges().
+ * Helper function for #TEH_PG_list_exchanges().
  * To be called with the results of a SELECT statement
  * that has returned @a num_results results.
  *
diff --git a/src/auditordb/pg_select_historic_denom_revenue.c b/src/auditordb/pg_select_historic_denom_revenue.c
index efeb81b13..c6e8550ea 100644
--- a/src/auditordb/pg_select_historic_denom_revenue.c
+++ b/src/auditordb/pg_select_historic_denom_revenue.c
@@ -54,7 +54,7 @@ struct HistoricDenomRevenueContext
 
 
 /**
- * Helper function for #postgres_select_historic_denom_revenue().
+ * Helper function for #TEH_PG_select_historic_denom_revenue().
  * To be called with the results of a SELECT statement
  * that has returned @a num_results results.
  *
diff --git a/src/include/taler_exchangedb_plugin.h b/src/include/taler_exchangedb_plugin.h
index 706a2d5a2..9640e052f 100644
--- a/src/include/taler_exchangedb_plugin.h
+++ b/src/include/taler_exchangedb_plugin.h
@@ -3012,6 +3012,7 @@ typedef void
  * Function called on purse requests.
  *
  * @param cls closure
+ * @param rowid purse request table row of the purse
  * @param purse_pub public key of the purse
  * @param merge_pub public key representing the merge capability
  * @param purse_creation when was the purse created?