Could the Botox injections I got for my migraines not have worked if they were injected it too superficially?

So 3 weeks ago I got my third series of shots, and the injections felt different. this time I didn’t hear the crunching sound with each injection that I heard every other time. After I asked if it didn’t go as deep would it still work. As days pasted I was surprised that my episodes continued to get more frequent and the pain was getting slowing worse. Today I had horrendous migraine. I am very worried that the shots were not injected properly and didn’t work this time