diff --git a/_suckless/dwm/config.h b/_suckless/dwm/config.h
index 81d0b9f..35bd064 100644
--- a/_suckless/dwm/config.h
+++ b/_suckless/dwm/config.h
@@ -46,18 +46,16 @@ static const Rule rules[] = {
    *	WM_CLASS(STRING) = instance, class
    *	WM_NAME(STRING) = title
    */
-  /* class          instance  title               tags mask  isfloating  isterminal  noswallow  monitor */
-  { NULL,           NULL,     "st",               0,         0,          1,           0,        -1 },
-  { "Firefox",      NULL,     NULL,               2,         0,          0,           0,        -1 },
-  { "qutebrowser",  NULL,     NULL,               2,         0,          0,           0,        -1 },
-  { "Ferdi" ,       NULL,     NULL,               1 << 2,    0,          0,           0,        -1 },
-  { "Thunderbird",  NULL,     NULL,               1 << 3,    0,          0,           0,        -1 },
-  { "Wfica",        NULL,     NULL,               1 << 9,    0,          0,           0,        -1 },
-  { "Pavucontrol",  NULL,     NULL,               0,         1,          0,           0,        -1 },
-  { NULL,           NULL,     "Citrix Workspace", 1 << 8,    0,          0,           0,        -1 },
-  { NULL,           NULL,     "Event Tester",     0,         0,          0,           1,        -1 }, /* xev */
-  { NULL,           "spterm", NULL,      	        SPTAG(0),  1,          1,           0,        -1 },
-  { NULL,		        "spfile",	NULL,		            SPTAG(1),  1,          1,           0,	  		-1 },
+  /* class              instance  title                tags mask  isfloating  isterminal  noswallow  monitor */
+  { NULL,                NULL,     "st",               0,         0,          1,           0,        -1 },
+  { "Chromium-browser",  NULL,     NULL,               2,         0,          0,           0,        -1 },
+  { "Ferdi" ,            NULL,     NULL,               1 << 2,    0,          0,           0,        -1 },
+  { NULL,                "mutt",   NULL,               1 << 3,    0,          1,           0,        -1 },
+  { "Wfica",             NULL,     NULL,               1 << 9,    0,          0,           0,        -1 },
+  { NULL,                NULL,     "Citrix Workspace", 1 << 8,    0,          0,           0,        -1 },
+  { NULL,                NULL,     "Event Tester",     0,         0,          0,           1,        -1 }, /* xev */
+  { NULL,                "spterm", NULL,               SPTAG(0),  1,          1,           0,        -1 },
+  { NULL,                "spfile", NULL,               SPTAG(1),  1,          1,           0,        -1 },
 };
 
 /* layout(s) */