chore: fix typo (#18)

Author: liby

samples/ch06-declarations/item-48-use-tsdoc/use-tsdoc-03.ts

@@ -1,7 +1,7 @@
 /**
  * Generate a greeting.
  * @param name Name of the person to greet
- * @param salutation The person's title
+ * @param title The person's title
  * @returns A greeting formatted for human consumption.
  */
 function greetFullTSDoc(name: string, title: string) {