Fixed typo

Author: Enguerrand Pinot

src/messages/beam/MsgOpenBeam.ts

@@ -2,11 +2,11 @@ import { Message } from '../Message';
 import { BeamReview, BeamReward, MsgOpenBeam } from '../../codec/chain/beam/beam';
 import Long from 'long';
 
-export const MsgOpeanBeamUrl = '/lum.network.beam.MsgOpenBeam';
+export const MsgOpenBeamUrl = '/lum.network.beam.MsgOpenBeam';
 
 export const BuildMsgOpenBeam = (id: string, creator: string, amount: Long, secret: string, reward?: BeamReward, review?: BeamReview): Message => {
     return {
-        typeUrl: MsgOpeanBeamUrl,
+        typeUrl: MsgOpenBeamUrl,
         value: {
             id,
             creator,