*: add comment about APPLET_ODDNAME format

It confused me more than once

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/hush.c b/shell/hush.c
index d90c148..4123cc1 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -277,8 +277,9 @@
 //config:	  msh is deprecated and will be removed, please migrate to hush.
 
 //applet:IF_HUSH(APPLET(hush, BB_DIR_BIN, BB_SUID_DROP))
-//applet:IF_MSH(APPLET_ODDNAME(msh, hush, BB_DIR_BIN, BB_SUID_DROP, hush))
-//applet:IF_SH_IS_HUSH(APPLET_ODDNAME(sh, hush, BB_DIR_BIN, BB_SUID_DROP, hush))
+//                       APPLET_ODDNAME:name  main  location    suid_type     help
+//applet:IF_MSH(         APPLET_ODDNAME(msh,  hush, BB_DIR_BIN, BB_SUID_DROP, hush))
+//applet:IF_SH_IS_HUSH(  APPLET_ODDNAME(sh,   hush, BB_DIR_BIN, BB_SUID_DROP, hush))
 //applet:IF_BASH_IS_HUSH(APPLET_ODDNAME(bash, hush, BB_DIR_BIN, BB_SUID_DROP, hush))
 
 //kbuild:lib-$(CONFIG_HUSH) += hush.o match.o shell_common.o