diff --git a/cmd/lotus-fountain/main.go b/cmd/lotus-fountain/main.go
index 628bf77e1..d6c9085de 100644
--- a/cmd/lotus-fountain/main.go
+++ b/cmd/lotus-fountain/main.go
@@ -265,7 +265,7 @@ func (h *handler) mkminer(w http.ResponseWriter, r *http.Request) {
 	log.Infof("%s: push funds %s", owner, smsg.Cid())
 
 	params, err := actors.SerializeParams(&power.CreateMinerParams{
-		Owner:      owner, // TODO: That is useful
+		Owner:      owner,
 		Worker:     owner,
 		SectorSize: abi.SectorSize(ssize),
 		Peer:       peer.ID("SETME"),
diff --git a/cmd/lotus-fountain/site/miner.html b/cmd/lotus-fountain/site/miner.html
index 3eceb327f..c93e6d059 100644
--- a/cmd/lotus-fountain/site/miner.html
+++ b/cmd/lotus-fountain/site/miner.html
@@ -15,7 +15,7 @@
                 <span>Enter destination address:</span>
                 <input type='text' name='address' style="width: 300px">
                 <select name="sectorSize">
-                    <option selected value="34359738368">32GiB sectors</option>
+                    <option selected value="536870912">512MiB sectors</option>
                 </select>
                 <button type='submit'>Create Miner</button>
             </form>