I need help understanding these patterns instructions

I presume they mean go two into one stitch meaning it’s an increase into a double increase, I’ve done as the pattern has lead me to think and I’ve ended up with a ripply jellyfish looking thing

I presume they mean go two into one stitch meaning it’s an increase into a double increase, I’ve done as the pattern has lead me to think and I’ve ended up with a ripply jellyfish looking thing