Your guess is correct…
“And the LORD visited Sarah as he had said, and the LORD did unto Sarah as he had spoken.”-Gen 21:1(KJV)
“The LORD kept his word and did for Sarah exactly what he had promised.”(NLT)
“Then the LORD took note of Sarah as He had said, and the LORD did for Sarah as He had promised.”(NASB 1977)
The Lord that did as promised to Sarah has taken note of you as well.You are the next to be blessed.