diff --git a/src/mint/taler-mint-httpd_deposit.c b/src/mint/taler-mint-httpd_deposit.c
index eaced51c2..7c19e060e 100644
--- a/src/mint/taler-mint-httpd_deposit.c
+++ b/src/mint/taler-mint-httpd_deposit.c
@@ -44,6 +44,7 @@
  * @param deposit deposit request to confirm
  * @return MHD result code
  */
+// FIXME: this should be in taler-mint-httpd_responses.c
 static int
 helper_deposit_send_response_success (struct MHD_Connection *connection,
                                       struct Deposit *deposit)
@@ -108,7 +109,7 @@ TALER_MINT_handler_deposit (struct RequestHandler *rh,
   wire = NULL;
   resp = NULL;
   if (-1 == json_unpack (json,
-                         "{s:s s:o}",
+                         "{s:s, s:o}",
                          "type", &deposit_type,
                          "wire", &wire))
   {
@@ -117,7 +118,7 @@ TALER_MINT_handler_deposit (struct RequestHandler *rh,
     resp_code = MHD_HTTP_BAD_REQUEST;
     goto EXITIF_exit;
   }
-  if (NULL == (wire_enc = json_dumps (wire, JSON_COMPACT|JSON_SORT_KEYS)))
+  if (NULL == (wire_enc = json_dumps (wire, JSON_COMPACT | JSON_SORT_KEYS)))
   {
     GNUNET_break_op (0);
     resp = json_pack ("{s:s}", "error", "Bad format");
@@ -130,6 +131,8 @@ TALER_MINT_handler_deposit (struct RequestHandler *rh,
   do {                                                            \
     if (cond) { GNUNET_break (0); goto EXITIF_exit; }             \
   } while (0)
+  // FIXME: need to distinguish between _OK and _NO return values here,
+  // and never try to queue our own!
 #define PARSE_DATA(field, addr)                                         \
   EXITIF (GNUNET_OK !=                                                  \
           GNUNET_MINT_parse_navigate_json                                      \
diff --git a/src/mint/taler-mint-httpd_parsing.c b/src/mint/taler-mint-httpd_parsing.c
index 550a89224..f61049b5e 100644
--- a/src/mint/taler-mint-httpd_parsing.c
+++ b/src/mint/taler-mint-httpd_parsing.c
@@ -268,7 +268,7 @@ TALER_MINT_parse_post_cleanup_callback (void *con_cls)
  *
  * @param connection the connection to send an error response to
  * @param root the JSON node to start the navigation at.
- * @param ... navigation specification (see JNAV_*)
+ * @param ... navigation specification (see `enum TALER_MINT_JsonNavigationCommand`)
  * @return GNUNET_YES if navigation was successful
  *         GNUNET_NO if json is malformed, error response was generated
  *         GNUNET_SYSERR on internal error (no response was generated,
@@ -276,8 +276,8 @@ TALER_MINT_parse_post_cleanup_callback (void *con_cls)
  */
 int
 GNUNET_MINT_parse_navigate_json (struct MHD_Connection *connection,
-                          const json_t *root,
-                          ...)
+                                 const json_t *root,
+                                 ...)
 {
   va_list argp;
   int ret;
diff --git a/src/mint/taler-mint-httpd_parsing.h b/src/mint/taler-mint-httpd_parsing.h
index a03f2b62d..a278eb705 100644
--- a/src/mint/taler-mint-httpd_parsing.h
+++ b/src/mint/taler-mint-httpd_parsing.h
@@ -122,14 +122,15 @@ enum TALER_MINT_JsonNavigationCommand
  *
  * @param connection the connection to send an error response to
  * @param root the JSON node to start the navigation at.
- * @param ... navigation specification (see JNAV_*)
+ * @param ... navigation specification (see `enum TALER_MINT_JsonNavigationCommand`)
  * @return GNUNET_YES if navigation was successful
  *         GNUNET_NO if json is malformed, error response was generated
  *         GNUNET_SYSERR on internal error
  */
 int
 GNUNET_MINT_parse_navigate_json (struct MHD_Connection *connection,
-                          const json_t *root, ...);
+                                 const json_t *root,
+                                 ...);
 
 
 
@@ -143,7 +144,7 @@ GNUNET_MINT_parse_navigate_json (struct MHD_Connection *connection,
  * @param connection the MHD connection
  * @param param_name the name of the parameter with the key
  * @param[out] out_data pointer to store the result
- * @param out_size expected size of data
+ * @param out_size expected size of @a out_data
  * @return
  *   GNUNET_YES if the the argument is present
  *   GNUNET_NO if the argument is absent or malformed
@@ -151,9 +152,9 @@ GNUNET_MINT_parse_navigate_json (struct MHD_Connection *connection,
  */
 int
 TALER_MINT_mhd_request_arg_data (struct MHD_Connection *connection,
-                          const char *param_name,
-                          void *out_data,
-                          size_t out_size);
+                                 const char *param_name,
+                                 void *out_data,
+                                 size_t out_size);