diff --git a/src/ex_cmds.h b/src/ex_cmds.h
index 5053e60..8c64d33 100644
--- a/src/ex_cmds.h
+++ b/src/ex_cmds.h
@@ -259,6 +259,9 @@
 EX(CMD_cbuffer,		"cbuffer",	ex_cbuffer,
 			BANG|RANGE|NOTADR|WORD1|TRLBAR,
 			ADDR_LINES),
+EX(CMD_cbottom,		"cbottom",	ex_cbottom,
+			TRLBAR,
+			ADDR_LINES),
 EX(CMD_cc,		"cc",		ex_cc,
 			RANGE|NOTADR|COUNT|TRLBAR|BANG,
 			ADDR_LINES),