Update README.md

Author: n1nj4t4nuk1

README.md

@@ -380,4 +380,4 @@ my_null_cpe = NullableCpe(None)
 # Getting raw value
 my_cpe.value()  # returns -> 'cpe:/a:openjdk:openjdk:8u282'
 my_null_cpe.value()  # returns -> None
-```
+```