diff --git a/085-sortby.go b/085-sort-by-function.go
similarity index 100%
rename from 085-sortby.go
rename to 085-sort-by-function.go
diff --git a/086-spawn.go b/086-spawn.go
index 8ad69f6..8fb330b 100644
--- a/086-spawn.go
+++ b/086-spawn.go
@@ -11,3 +11,6 @@ func main() {
 	fmt.Println("====== Output")
 	fmt.Print(string(out))
 }
+
+// == todo
+// full command lines with bash?
diff --git a/090-tickers.go b/090-tickers.go
index f3d68bb..9601382 100644
--- a/090-tickers.go
+++ b/090-tickers.go
@@ -9,7 +9,7 @@ func main() {
 			fmt.Println("Tick at", t)
 		}
 	}()
-	time.Sleep(time.Millisecond * 3000)
+	time.Sleep(time.Millisecond * 1500)
 	ticker.Stop()
 	fmt.Println("Ticker stopped")
 }
diff --git a/092-timers.go b/092-timers.go
index d097ebc..fb271af 100644
--- a/092-timers.go
+++ b/092-timers.go
@@ -1,20 +1,20 @@
 package main
 
-import ("time"; "fmt")
+import "time"
+import "fmt"
 
 func main() {
-	timer1 := time.NewTimer(time.Millisecond * 500)
+	timer1 := time.NewTimer(time.Second)
 	<- timer1.C
 	fmt.Println("Timer 1 expired")
-	stopped1 := timer1.Stop()
-	fmt.Println("Timer 2 stopped:", stopped1)
+	stop1 := timer1.Stop()
+	fmt.Println("Timer 2 stopped:", stop1)
 
 	timer2 := time.NewTimer(time.Second)
 	go func() {
 		<- timer2.C
 		fmt.Println("Timer 2 expired")
 	}()
-	time.Sleep(time.Millisecond * 500)
-	stopped2 := timer2.Stop()
-	fmt.Println("Timer 2 stopped:", stopped2)
+	stop2 := timer2.Stop()
+	fmt.Println("Timer 2 stopped:", stop2)
 }
diff --git a/tool/index.txt b/tool/index.txt
index b6c04e3..1d10e27 100644
--- a/tool/index.txt
+++ b/tool/index.txt
@@ -82,7 +82,7 @@ scatter-gather
 sha1
 signals
 sort
-sortby
+sort-by-function
 spawn
 string-formatting
 tcp-client
@@ -92,4 +92,4 @@ time
 timers
 url
 users
-worker-pool
\ No newline at end of file
+worker-pool