diff --git a/README.md b/README.md
index dd56b5f..3713951 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,4 @@
-![logo](docs/revgen_gopher.jpeg)
-# revgen
+![logo](docs/revgen_gopher.png)
 
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![ReportCard](https://goreportcard.com/badge/github.com/ejoffe/spr)](https://goreportcard.com/report/github.com/ejoffe/spr)
@@ -65,7 +64,7 @@ Configuration
 - Revgen stores the currently generated hashes in **.revgen.sum**, in general this file doesn't need to be edited. When in doubt, entries from .revgen.sum can be safely removed or the hash edited, they will be recomputed the next time revgen runs.  
 ***
 Example .revgen.yml:
-```
+```yaml
 auto_update: true
 configs:
     - path: super/cool/generator.go
@@ -84,4 +83,4 @@ License
 - [MIT License](LICENSE)
   
 Happy Coding!
--------------
\ No newline at end of file
+-------------
diff --git a/docs/revgen_gopher.jpeg b/docs/revgen_gopher.jpeg
deleted file mode 100644
index 00b132a..0000000
Binary files a/docs/revgen_gopher.jpeg and /dev/null differ
diff --git a/docs/revgen_gopher.png b/docs/revgen_gopher.png
new file mode 100644
index 0000000..afb59cd
Binary files /dev/null and b/docs/revgen_gopher.png differ
diff --git a/revgen/helpers.go b/revgen/helpers.go
index cd7bb8e..b0720e1 100644
--- a/revgen/helpers.go
+++ b/revgen/helpers.go
@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -43,6 +44,13 @@ func getGoRootDir() string {
 		panic(err)
 	}
 
+	fmt.Printf("go root:%s\n", goRootPath)
+	files, err := ioutil.ReadDir("./")
+	check(err)
+	for _, f := range files {
+		fmt.Println(f.Name())
+	}
+
 	return goRootPath
 }