diff --git a/SnM/SnM.cpp b/SnM/SnM.cpp
index 83f93262d..87f45a75e 100644
--- a/SnM/SnM.cpp
+++ b/SnM/SnM.cpp
@@ -433,7 +433,7 @@ static COMMAND_T s_cmdTable[] =
 
 	// Toolbar ----------------------------------------------------------------
 	{ { DEFACCEL, "SWS/S&M: Toggle toolbars auto refresh enable" },	"S&M_TOOLBAR_REFRESH_ENABLE", EnableToolbarsAutoRefesh, NULL, 0, IsToolbarsAutoRefeshEnabled},
-	{ { DEFACCEL, "SWS/S&M: Toolbar - Toggle track envelopes in touch/latch/write" }, "S&M_TOOLBAR_WRITE_ENV", ToggleWriteEnvExists, NULL, 0, WriteEnvExists},
+	{ { DEFACCEL, "SWS/S&M: Toolbar - Toggle track envelopes in touch/latch/latch preview/write" }, "S&M_TOOLBAR_WRITE_ENV", ToggleWriteEnvExists, NULL, 0, WriteEnvExists},
 	{ { DEFACCEL, "SWS/S&M: Toolbar - Toggle offscreen item selection (left)" }, "S&M_TOOLBAR_ITEM_SEL0", ToggleOffscreenSelItems, NULL, SNM_ITEM_SEL_LEFT, HasOffscreenSelItems},
 	{ { DEFACCEL, "SWS/S&M: Toolbar - Toggle offscreen item selection (right)" },"S&M_TOOLBAR_ITEM_SEL1", ToggleOffscreenSelItems, NULL, SNM_ITEM_SEL_RIGHT, HasOffscreenSelItems},
 	{ { DEFACCEL, "SWS/S&M: Toolbar - Toggle offscreen item selection (top)" }, "S&M_TOOLBAR_ITEM_SEL2", ToggleOffscreenSelItems, NULL, SNM_ITEM_SEL_UP, HasOffscreenSelItems},
diff --git a/SnM/SnM_Track.cpp b/SnM/SnM_Track.cpp
index ce6c6004a..53f37bdf5 100644
--- a/SnM/SnM_Track.cpp
+++ b/SnM/SnM_Track.cpp
@@ -619,7 +619,7 @@ void ToggleWriteEnvExists(COMMAND_T* _ct)
 		{
 			MediaTrack* tr = CSurf_TrackFromID(i, false); 
 			int autoMode = tr ? *(int*)GetSetMediaTrackInfo(tr, "I_AUTOMODE", NULL) : -1;
-			if (autoMode >= 2 /* touch */ && autoMode <= 4 /* latch */)
+			if (autoMode >= 2 /* touch */ && autoMode <= 5 /* latch preview */)
 			{
 				GetSetMediaTrackInfo(tr, "I_AUTOMODE", &g_i1); // set read mode
 				g_toolbarAutoModeToggles.Add(new SNM_TrackInt(tr, autoMode));
@@ -640,7 +640,7 @@ int WriteEnvExists(COMMAND_T* _ct)
 	{
 		MediaTrack* tr = CSurf_TrackFromID(i, false); 
 		int autoMode = tr ? *(int*)GetSetMediaTrackInfo(tr, "I_AUTOMODE", NULL) : -1;
-		if (autoMode >= 2 /* touch */ && autoMode <= 4 /* latch */)
+		if (autoMode >= 2 /* touch */ && autoMode <= 5 /* latch preview */)
 			return true;
 	}
 	return false;
diff --git a/whatsnew.txt b/whatsnew.txt
index 63fd7b7a1..f7334dadf 100644
--- a/whatsnew.txt
+++ b/whatsnew.txt
@@ -1,3 +1,5 @@
++Issue 945: "SWS/S&M: Toolbar - Toggle track envelopes in touch/latch/write" - add latch preview 
+
 !v2.9.7 featured build (September 28, 2017)
 Fixes:
 +Issue 897: Fix major issues with OSX 10.13 High Sierra