Answer:
No correction needed
Explanation:
The original sentence introduces this quote accurately. In these lines, we learn that the author wants to talk about his grandmother. He wants to tell the reader what the grandmother said about the landscape. In order to introduce this quote, the author uses a colon. Moreover, the author employs quotation marks to indicate that this is a literal quote.
Carefully analyzing the details of a few paragraphs
During the flashback is when you figure these out.