  In this note we show how to adjust some proofs of Koskela et. al 2003 and
Jiang 2011 in order to show that in certain spaces $(X,d,\mu)$, like
$RCD(K,N)$-spaces, every Sobolev function with local $L^{p}$-Laplacian and
$p>\dim\mu$ is locally Lipschitz continuous.
