When did Frosty the Snowman change his button nose to a carrot?

Oh, dude, Frosty the Snowman changed his button nose to a carrot when he got a makeover in the 1969 animated TV special. Yeah, like, he was all about that new look, you know, trying to stay trendy with the times. So, like, now he's rocking that carrot nose and living his best snowman life.