fix comment typo (#11)

zerologlint.go

@@ -54,7 +54,7 @@ func run(pass *analysis.Pass) (interface{}, error) {
 		}
 	}
 	// At the end, if the set is clear -> ok.
-	// Otherwise, there must be a left zerolog.Event var that weren't dispached. So report it.
+	// Otherwise, there must be a left zerolog.Event var that weren't dispatched. So report it.
 	for k := range set {
 		pass.Reportf(k.Pos(), "must be dispatched by Msg or Send method")
 	}