Is the name written by King's Landing in Romance of the Three Kingdoms correct?

The name written by King's Landing in Romance of the Three Kingdoms is correct.

It is said that many people praised Cao Cao's skillful calligraphy, and some of them said, "The calligraphy of the Prime Minister is unparalleled, but it is a pity that the word' Kun' is missing three points." Cao Cao laughed after listening to it, pointed to the river and praised it: "Is there no water?" There is much water in the river, so there is no need to gild the lily. "Everyone suddenly enlighted. Therefore, later generations compiled this story into a jingle: "Wild waves and huge waves flow along the stone, so you don't have to point to it next to the word' Yi'. "