readme: add missing "go" marker

2019-03-14 10:56:46 +03:00 · 2019-03-14 10:56:46 +03:00 · 6697d947ed
parent c20b208309
commit 6697d947ed
1 changed files with 1 additions and 1 deletions
--- a/README.md
+++ b/README.md
@ -147,7 +147,7 @@ Example output:

 ## Example

-```
+```go
 f, err := os.Open(filepathArgument)
 log.PanicIf(err)