It's actually called 'tcl'

Author: pvpscript

config.h

@@ -36,14 +36,14 @@ static const float mfact     = 0.55; /* factor of master area size [0.05..0.95]
 static const int nmaster     = 1;    /* number of clients in master area */
 static const int resizehints = 1;    /* 1 means respect size hints in tiled resizals */
 
-#include "tlc.c"
+#include "tcl.c"
 
 static const Layout layouts[] = {
 	/* symbol     arrange function */
 	{ "[]=",      tile },    /* first entry is default */
 	{ "><>",      NULL },    /* no layout function means floating behavior */
 	{ "[M]",      monocle },
-	{ "|||",      tlc },
+	{ "|||",      tcl },
 };
 
 /*   Display modes of the tab bar: never shown, always shown, shown only in  */