Spelling mistakes and wrong text on Docs and Editor

[Takemura]

Yo all,

I’m not sure if you know them already and if this is the right section, but I wanted to post, just to be sure.

1. Wrong description: GUI.Button.textBlock is identical to .image, is this correct?

Button | Babylon.js Documentation

2. Tooltiptext of GUI Editor Menu Button “Copy Selcted” is missing an e:

[sebavan]

I will fix it asap.

[sebavan]

PR is in, it should be up tomorrow.