Add comment to BsonBinary#getData indicating that it returns the internal copy of the array
@@ -165,6 +165,9 @@ public class BsonBinary extends BsonValue {
/**
* Gets the data of this Binary.
*
+ * This method returns the internal copy of the byte array, so only modify the contents of the returned array if the intention is to
+ * change the state of this instance.
+ *
* @return the data
*/
public byte[] getData() {
