diff --git a/079-redis.go b/079-redis.go
index 5ec8659..96fa30b 100644
--- a/079-redis.go
+++ b/079-redis.go
@@ -74,3 +74,4 @@ func main() {
 // concurrency
 // reconnection
 // errors
+// redis url
diff --git a/084-sort.go b/084-sort.go
index b5c2324..2bcc24f 100644
--- a/084-sort.go
+++ b/084-sort.go
@@ -1,12 +1,20 @@
-package main
+package main      
 
-import ("fmt"; "sort")
+import "fmt"
+import "sort"
 
 func main() {
-	strs := []string{"foo", "bar", "bat"}
-	fmt.Println(strs)
-	fmt.Println()
-
+	strs := []string{"c", "a", "b"}
 	sort.Strings(strs)
 	fmt.Println(strs)
+
+    ints := []int{7, 2, 4}
+    sort.Ints(ints)
+    fmt.Println(ints)
 }
+
+/*
+$ go run sort.go
+[foo bar bat]
+[2 4 7]
+*/