help on register!

[gytis]

"I am writing in response to your advertisment"
Is this sentence not clumsy?

[dangercat]

"I am writing in response to your advertisment"
Is this sentence not clumsy?

It's a bit. I would write and have written:

"I am writing to you today, in response to your advertisement in the "insert place where you saw advertisment".

:) Brook