diff --git a/core/commands2/log.go b/core/commands2/log.go
index 461107b1d..510085c85 100644
--- a/core/commands2/log.go
+++ b/core/commands2/log.go
@@ -12,7 +12,15 @@ var logCmd = &cmds.Command{
 		cmds.Argument{"subsystem", cmds.ArgString, true, false},
 		cmds.Argument{"level", cmds.ArgString, true, false},
 	},
-	Help: "TODO",
+	// TODO UsageLine: "log <name> <level> ",
+	// TODO Short:     "switch logging levels of a running daemon",
+	Help: `ipfs log <subsystem> <level> - switch logging levels of a running daemon
+
+   <subsystem> is a the subsystem logging identifier. Use * for all subsystems.
+   <level> is one of: debug, info, notice, warning, error, critical
+
+ipfs log is a utility command used to change the logging output of a running daemon.
+`,
 	Run: func(res cmds.Response, req cmds.Request) {
 		args := req.Arguments()
 		if err := u.SetLogLevel(args[0].(string), args[1].(string)); err != nil {