diff --git a/readme.md b/readme.md
index 4f901b2..b6eec8a 100644
--- a/readme.md
+++ b/readme.md
@@ -9,17 +9,17 @@ usage:
 ```
 import (
   "log"
-	"git.tuxpa.in/a/gotagonist/common/nori"
+  "git.tuxpa.in/a/gotagonist/common/nori"
 )
 func main() {
-	n, err := nori.FromFile(filename)
-	if err != nil {
-		log.Panicln("decode: %s", err)
-	}
+  n, err := nori.FromFile(filename)
+  if err != nil {
+  	log.Panicln("decode: %s", err)
+  }
   // uses apng encoder/decoder from https://gitlab.com/gfxlabs/gfximg
   animations, err := n.RenderAnimations(n)
   if err != nil {
-		log.Panicln("render: %s", err)
+  	log.Panicln("render: %s", err)
   }
   // each animation has slice of frames
   // each frame contains an image.Image, if another format is needed