检查一篇文章的语法和拼写错误。


以下是一段语言学论文的段落。假设这个段落包含拼写错误和语法错误。
"I has a dream that wan day, in ther good graces of frredom, my conting will rise up and selebrate what it truelee means to b free!"
以下是已更正的文章段落:

"I have a dream that one day, in the good graces of freedom, my country will rise up and celebrate what it truly means to be free!"