diff --git a/src/emu/sound/discrete.c b/src/emu/sound/discrete.c
index 6a2a06396c2..57e20d8fdf3 100644
--- a/src/emu/sound/discrete.c
+++ b/src/emu/sound/discrete.c
@@ -693,11 +693,11 @@ INLINE void update_main_nodes(discrete_info *info, int samples)
 		sn->ptr = sn->task->node_buf[sn->output_node];
 	}
 
+	if (DISCRETE_PROFILING)
+		info->total_samples += samples;
+
 	while (samples-- > 0)
 	{
-		if (DISCRETE_PROFILING)
-			info->total_samples++;
-
 		/* update source node buffer */
 		for (entry = info->source_list; entry != 0; entry = entry->next)
 		{
diff --git a/src/emu/sound/discrete.h b/src/emu/sound/discrete.h
index 9238506e8ca..4ce2dbc6f82 100644
--- a/src/emu/sound/discrete.h
+++ b/src/emu/sound/discrete.h
@@ -3744,9 +3744,9 @@ struct _discrete_info
 
 	/* list of "main" task nodes */
 	linked_list_entry	 *main_list;		/* node_description * */
-	
+
 	/* list of main source nodes */
-	
+
 	linked_list_entry	*source_list;		/* discrete_source_node */
 
 	/* list of discrete blocks after prescan (IMPORT, DELETE, REPLACE) */
diff --git a/src/mame/audio/mw8080bw.c b/src/mame/audio/mw8080bw.c
index 465ef72bef3..20a2e28cfcd 100644
--- a/src/mame/audio/mw8080bw.c
+++ b/src/mame/audio/mw8080bw.c
@@ -2051,7 +2051,7 @@ WRITE8_DEVICE_HANDLER( clowns_audio_2_w )
 #define SPACWALK_R304		RES_M(1)
 #define SPACWALK_R305		RES_K(3680)
 #define SPACWALK_R307		RES_K(20)
-#define SPACWALK_R308		RES_K(20)	/* not labeled but beside R307 */
+#define SPACWALK_R308		RES_K(20)	/* not labeled but it's beside R307 */
 #define SPACWALK_R419		RES_K(2.7)
 #define SPACWALK_R420		RES_K(20)
 #define SPACWALK_R421		RES_K(11)
@@ -2068,7 +2068,7 @@ WRITE8_DEVICE_HANDLER( clowns_audio_2_w )
 #define SPACWALK_C301		CAP_U(2.2)
 #define SPACWALK_C302		CAP_U(2.2)
 #define SPACWALK_C303		CAP_U(0.0047)
-#define SPACWALK_C304		CAP_U(0.0047)	/* not labeled but beside C303 */
+#define SPACWALK_C304		CAP_U(0.0047)	/* not labeled but it's beside C303 */
 #define SPACWALK_C602		CAP_U(1)
 
 
@@ -2142,7 +2142,6 @@ DISCRETE_OP_AMP_TRIG_VCA(NODE_RELATIVE(NODE_35, _num),				/* IC M2-3, pin 9 */
 	&spacwalk_sb_hit_tvca_info)                                                             \
 /* Wrong values.  Untested */                                                               \
 /* The rest of the circuit is a filter.                                                     \
- *The frequency response was calculated with SPICE. */                                      \
 DISCRETE_FILTER2(NODE_RELATIVE(NODE_37, _num),                                              \
 	1,												/* ENAB */                              \
 	NODE_RELATIVE(NODE_35, _num),					/* INP0 */                              \