diff --git a/sys/congure/reno/congure_reno.c b/sys/congure/reno/congure_reno.c
index 2a1146572f09..49db20aec672 100644
--- a/sys/congure/reno/congure_reno.c
+++ b/sys/congure/reno/congure_reno.c
@@ -20,8 +20,8 @@ static const congure_snd_driver_t _driver = {
     .inter_msg_interval = congure_reno_snd_inter_msg_interval,
     .report_msg_sent = congure_reno_snd_report_msg_sent,
     .report_msg_discarded = congure_reno_snd_report_msg_discarded,
-    .report_msg_timeout = congure_reno_snd_report_msg_timeout,
-    .report_msg_lost = congure_reno_snd_report_msg_lost,
+    .report_msgs_timeout = congure_reno_snd_report_msgs_timeout,
+    .report_msgs_lost = congure_reno_snd_report_msgs_lost,
     .report_msg_acked = congure_reno_snd_report_msg_acked,
     .report_ecn_ce = congure_reno_snd_report_ecn_ce,
 };
diff --git a/sys/congure/reno/methods/congure_reno_methods.c b/sys/congure/reno/methods/congure_reno_methods.c
index 3537b3fc4420..984e1d51be8b 100644
--- a/sys/congure/reno/methods/congure_reno_methods.c
+++ b/sys/congure/reno/methods/congure_reno_methods.c
@@ -64,7 +64,7 @@ static void _enforce_fast_retransmit(congure_reno_snd_t *c)
     c->consts->fr(c);
 }
 
-void congure_reno_set_mss(congure_reno_snd_t *c, unsigned mss)
+void congure_reno_set_mss(congure_reno_snd_t *c, congure_wnd_size_t mss)
 {
     c->mss = mss;
     c->super.cwnd = _calc_init_wnd(c);
@@ -120,8 +120,8 @@ int _check_resends(clist_node_t *node, void *ctx)
     return 0;
 }
 
-void congure_reno_snd_report_msg_timeout(congure_snd_t *cong,
-                                         congure_snd_msg_t *msgs)
+void congure_reno_snd_report_msgs_timeout(congure_snd_t *cong,
+                                          congure_snd_msg_t *msgs)
 {
     congure_reno_snd_t *c = (congure_reno_snd_t *)cong;
 
@@ -149,8 +149,8 @@ int _mark_msg_lost(clist_node_t *node, void *ctx)
     return 0;
 }
 
-void congure_reno_snd_report_msg_lost(congure_snd_t *cong,
-                                      congure_snd_msg_t *msgs)
+void congure_reno_snd_report_msgs_lost(congure_snd_t *cong,
+                                       congure_snd_msg_t *msgs)
 {
     congure_reno_snd_t *c = (congure_reno_snd_t *)cong;
 
diff --git a/sys/include/congure/reno.h b/sys/include/congure/reno.h
index 5bea9d13c8d5..6e3be0276ca2 100644
--- a/sys/include/congure/reno.h
+++ b/sys/include/congure/reno.h
@@ -176,11 +176,11 @@ struct congure_reno_snd {
      * @brief   Constants
      */
     const congure_reno_snd_consts_t *consts;
+    uint32_t last_ack;              /**< ID of the last ACK reported */
     /**
      * @brief Maximum segment size of the sender in caller-defined units
      */
-    unsigned mss;
-    uint32_t last_ack;              /**< ID of the last ACK reported */
+    congure_wnd_size_t mss;
     congure_wnd_size_t ssthresh;    /**< Slow-start threshold */
     /**
      * @brief   Sum of caller-defined units of message sizes of all messages
@@ -203,6 +203,18 @@ struct congure_reno_snd {
 void congure_reno_snd_setup(congure_reno_snd_t *c,
                             const congure_reno_snd_consts_t *consts);
 
+/**
+ * @defgroup    sys_congure_reno_methods The send driver methods for CongURE TCP Reno
+ * @ingroup     sys_congure_reno
+ *
+ * Many other congestion control mechanisms are just adaptations of TCP Reno,
+ * so this makes the methods of @ref sys_congure_reno available to other
+ * @ref sys_congure modules. Use module `congure_reno_methods` to only compile
+ * in these methods, but not the driver for `congure_reno_snd_t` or
+ * @ref congure_reno_snd_setup().
+ *
+ * @{
+ */
 /**
  * @brief   Set sender maximum segment size.
  *
@@ -212,18 +224,8 @@ void congure_reno_snd_setup(congure_reno_snd_t *c,
  * @param[in] c     A CongURE state object
  * @param[in] mss   Maximum segment size of the sender in caller-defined units
  */
-void congure_reno_set_mss(congure_reno_snd_t *c, unsigned mss);
+void congure_reno_set_mss(congure_reno_snd_t *c, congure_wnd_size_t mss);
 
-/**
- * @defgroup    sys_congure_reno_methods The send driver methods for CongURE TCP Reno
- * @ingroup     sys_congure_reno
- *
- * Many other congestion control mechanisms are just adaptations of TCP Reno,
- * so this makes the methods of @ref sys_congure_reno available to other
- * @ref sys_congure modules
- *
- * @{
- */
 /**
  * @brief   Use to override congure_snd_driver_t::init
  *
@@ -263,24 +265,24 @@ void congure_reno_snd_report_msg_sent(congure_snd_t *c, unsigned msg_size);
 void congure_reno_snd_report_msg_discarded(congure_snd_t *c, unsigned msg_size);
 
 /**
- * @brief   Use to override congure_snd_driver_t::report_msg_timeout
+ * @brief   Use to override congure_snd_driver_t::report_msgs_timeout
  *
  * @param[in]   c           The CongURE state object.
  * @param[in]   msgs        A collection of messages that are known to be lost.
- *                          The list may be changed by the method.
+ *                          The list must not be changed by the method.
  */
-void congure_reno_snd_report_msg_timeout(congure_snd_t *c,
-                                         congure_snd_msg_t *msgs);
+void congure_reno_snd_report_msgs_timeout(congure_snd_t *c,
+                                          congure_snd_msg_t *msgs);
 
 /**
- * @brief   Use to override congure_snd_driver_t::report_msg_lost
+ * @brief   Use to override congure_snd_driver_t::report_msgs_lost
  *
  * @param[in]   c           The CongURE state object.
  * @param[in]   msgs        A collection of messages for which the ACK timed
- *                          out. The list may be changed by the method.
+ *                          out. The list must not be changed by the method.
  */
-void congure_reno_snd_report_msg_lost(congure_snd_t *c,
-                                      congure_snd_msg_t *msgs);
+void congure_reno_snd_report_msgs_lost(congure_snd_t *c,
+                                       congure_snd_msg_t *msgs);
 
 /**
  * @brief   Use to override congure_snd_driver_t::report_msg_acked