Continuing the discussion from W5: SOTRAMAs:
Sometimes this happens with the rich text editor. Hakɛto! 
If it does, you switch into “Markdown” mode, you can see the underlying “tags” and edit them:
Remember the tags need to look like this around your text:
[spoiler]
This is hidden text
[/spoiler]
I went ahead and edited it for you in your post 
But for siɲɛ wɛrɛ!