Fix typo in integration-cli (#29160)

Signed-off-by: xianwei <xianwei.zw@alibaba-inc.com>

integration-cli/docker_cli_rm_test.go

@@ -45,7 +45,7 @@ func (s *DockerSuite) TestRmContainerRunning(c *check.C) {
 func (s *DockerSuite) TestRmContainerForceRemoveRunning(c *check.C) {
 	createRunningContainer(c, "foo")
 
-	// Stop then remove with -s
+	// Stop then remove with -f
 	dockerCmd(c, "rm", "-f", "foo")
 }