cmd/gomote: update push command doc

Precisely speaking, the push command pushes files
in GOROOT (or go env GOROOT), not the repo in the current directory.

Change-Id: If9c09643c5cf6b5ae8702a69e3988f0b8097ba1d
Reviewed-on: https://go-review.googlesource.com/c/141099
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/cmd/gomote/gomote.go b/cmd/gomote/gomote.go
index a04e1cc..e443d23 100644
--- a/cmd/gomote/gomote.go
+++ b/cmd/gomote/gomote.go
@@ -29,7 +29,7 @@
     list       list active buildlets
     ls         list the contents of a directory on a buildlet
     ping       test whether a buildlet is alive and reachable
-    push       sync the repo of your pwd to the buildlet
+    push       sync your GOROOT directory to the buildlet
     put        put files on a buildlet
     put14      put Go 1.4 in place
     puttar     extract a tar.gz to a buildlet
@@ -145,7 +145,7 @@
 	registerCommand("ls", "list the contents of a directory on a buildlet", ls)
 	registerCommand("list", "list active buildlets", list)
 	registerCommand("ping", "test whether a buildlet is alive and reachable ", ping)
-	registerCommand("push", "sync the repo of your pwd to the buildlet", push)
+	registerCommand("push", "sync your GOROOT directory to the buildlet", push)
 	registerCommand("put", "put files on a buildlet", put)
 	registerCommand("put14", "put Go 1.4 in place", put14)
 	registerCommand("puttar", "extract a tar.gz to a buildlet", putTar)