diff --git a/contrib/gnunet.tag b/contrib/gnunet.tag
index f270ba5ea..bdc112a17 100644
--- a/contrib/gnunet.tag
+++ b/contrib/gnunet.tag
@@ -31,7 +31,13 @@
     <member kind="define">
       <type>#define</type>
       <name>GNUNET_TIME_UNIT_FOREVER_ABS</name>
-      <anchorfile>gnunet_util_lib.h</anchorfile>
+      <anchorfile>gnunet_time_lib.h</anchorfile>
+      <arglist></arglist>
+    </member>
+    <member kind="define">
+      <type>#define</type>
+      <name>GNUNET_TIME_UNIT_ZERO_ABS</name>
+      <anchorfile>gnunet_time_lib.h</anchorfile>
       <arglist></arglist>
     </member>
   </compound>
diff --git a/src/include/taler_mhd_lib.h b/src/include/taler_mhd_lib.h
index e2e8ecb08..9c7c06d9a 100644
--- a/src/include/taler_mhd_lib.h
+++ b/src/include/taler_mhd_lib.h
@@ -528,7 +528,7 @@ TALER_MHD_parse_request_header_data (struct MHD_Connection *connection,
  *
  * @param connection the MHD connection
  * @param name the name of the parameter with the key
- * @param[out] out_data pointer to store the result, type must determine size
+ * @param[out] val pointer to store the result, type must determine size
  * @param[in,out] required pass true to require presence of this argument; if 'false'
  *                         set to true if the argument was found
  * @return
@@ -566,7 +566,7 @@ TALER_MHD_parse_request_header_data (struct MHD_Connection *connection,
  *
  * @param connection the MHD connection
  * @param name the name of the parameter with the key
- * @param[out] out_data pointer to store the result, type must determine size
+ * @param[out] val pointer to store the result, type must determine size
  * @return
  *   #GNUNET_YES if the the argument is present
  *   #GNUNET_NO if the argument is absent or malformed
@@ -583,7 +583,7 @@ TALER_MHD_parse_request_header_data (struct MHD_Connection *connection,
  *
  * @param connection the MHD connection
  * @param name the name of the header with the key
- * @param[out] out_data pointer to store the result, type must determine size
+ * @param[out] val pointer to store the result, type must determine size
  * @param[in,out] required pass true to require presence of this argument; if 'false'
  *                         set to true if the argument was found
  * @return
@@ -621,7 +621,7 @@ TALER_MHD_parse_request_header_data (struct MHD_Connection *connection,
  *
  * @param connection the MHD connection
  * @param name the name of the header with the key
- * @param[out] out_data pointer to store the result, type must determine size
+ * @param[out] val pointer to store the result, type must determine size
  * @return
  *   #GNUNET_YES if the the argument is present
  *   #GNUNET_NO if the argument is absent or malformed