The phrase "a note indicating that" is correct and can be used in written English.
An example sentence could be: I left a note indicating that I would be back at 6 pm.
Provide a SASE and a note indicating that you need a QSL card urgently.
On Thursday, they went home 45 minutes earlier than schedule, leaving a note indicating that they only plan to ruminate for a half day on Friday.
Checks should be made payable to Stanford University Medical Center with a note indicating that they are in memory of Dr. Glazer.
A police search found a note indicating that in 2013, BTG may have paid a congressman, who is now the speaker of the lower house of Congress, about $12 million for legislative favors.
She was, by her own account, chatting with Mr. Brown's bodyguard when a rapper, Drake, sent Mr. Brown a note indicating that he was having sexual relations with the singer Rihanna, a former girlfriend of Mr. Brown's.
There is only a note indicating that he was taken to the "36th Evac Hospital," at Fort Meade, and subsequently released from the program: Ultimately, testing with PCP was discontinued, but psychochemical experiments at Edgewood were conducted for more than a decade, as Army scientists sought new chemicals, and initiated new tests to understand them.
A note indicates that the transcript was sent to AIEDA by the City of Chicago.
To donate online, go to engineering.jhu.edu/giving and select "Other," then enter "Nathan Krasnopoler Memorial Fund". You may also send a check, made out to The Johns Hopkins University, with a separate note indicating that the gift is for the memorial fund.
He got his third death threat, a detailed note indicating that the sender knew all of his movements.
Both messages ended on a positive note, indicating that the reader could act to help prevent this from coming to pass.
A strikingly colorful single-volume Qur'an from late-16th-century Shiraz, Iran, has an endowment note indicating that Nurbanu Sultan, the powerful wife of Selim II, donated it to Istanbul's Atik Valide mosque in 1583; it was later moved to an imperial mosque commissioned by Selim II's sister Mihrimah.
