diff --git a/conf.c b/conf.c
index 9cf196a..3ee6467 100644
--- a/conf.c
+++ b/conf.c
@@ -192,6 +192,7 @@ static const struct {
 	{ "MS-Tab",	"rcycle" },
 	{ "CM-n",	"label" },
 	{ "CM-x",	"delete" },
+	{ "CM-a",	"nogroup" },
 	{ "CM-0",	"nogroup" },
 	{ "CM-1",	"group1" },
 	{ "CM-2",	"group2" },
diff --git a/cwm.1 b/cwm.1
index 447b646..71a2f4a 100644
--- a/cwm.1
+++ b/cwm.1
@@ -97,7 +97,7 @@ Reverse cycle through currently visible windows.
 Delete current window.
 .It Ic CM-[n]
 Select group n, where n is 1-9.
-.It Ic CM-0
+.It Ic CM-a
 Select all groups.
 .It Ic CM-g
 Toggle group membership of current window.