Update README.md

README.md

@@ -145,7 +145,7 @@ flat, err := gojsonflatten.FlattenStringNoArray(nested, "", flatten.DotStyle, -1
 
 You can even define a custom key style for flattening:
 
-```go
+```GO
 import (
     "github.com/bhataprameya/gojsonflatten"
 )
@@ -165,7 +165,7 @@ flat, err := gojsonflatten.FlattenString(nested, "", doubleDash, 5)
 
 You can even define a custom key style for flattening:
 
-```go
+```GO
 import (
     "github.com/bhataprameya/gojsonflatten"
 )
@@ -193,4 +193,4 @@ This library is licensed under the MIT License. See the [LICENSE](LICENSE) file
 
 This library is a fork of `https://github.com/jeremywohl/flatten` and has been updated and modified to add additional features
 
-#### Happy flattening! 🚀
+#### Happy flattening! 🚀