diff --git a/README.md b/README.md
index de7b213..13e2a20 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,13 @@
 # NS-USBloader
 
 NS-USBloader is a PC-side tinfoil NSP USB uploader. Replacement for default usb_install_pc.py
+
 With GUI and cookies.
+
 Read more: https://developersu.blogspot.com/2019/02/ns-usbloader-en.html
 
+Here is the version of 'not perfect byt anyway' [tinfoil I use](https://cloud.mail.ru/public/DwbX/H8d2p3aYR).
+
 ## License
 
 Source code spreads under the GNU General Public License v.3. You can find it in LICENSE file.
@@ -13,9 +17,9 @@ Source code spreads under the GNU General Public License v.3. You can find it in
 JRE 8 or higher. See below.
 
 ## Used libraries
-* OpenJFX https://wiki.openjdk.java.net/display/OpenJFX/Main
-* usb4java: https://mvnrepository.com/artifact/org.usb4java/usb4java
-* Few icons taken from: http://materialdesignicons.com/
+* [OpenJFX](https://wiki.openjdk.java.net/display/OpenJFX/Main)
+* [usb4java](https://mvnrepository.com/artifact/org.usb4java/usb4java)
+* Few icons taken from: [materialdesignicons](http://materialdesignicons.com/)
 
 ## Usage
 ### Linux:
@@ -24,6 +28,12 @@ Install JRE/JDK 8 or higher (openJDK is good. Oracle's one is also good). JavaFX
 
 `root # java -jar /path/to/NS-USBloader.jar`
 
+### macOS
+
+See 'Linux' section.
+
+Set 'Security & Privacy' if needed.
+
 ### Windows: 
 
 * Download Zadig: https://zadig.akeo.ie/
@@ -35,12 +45,6 @@ Install JRE/JDK 8 or higher (openJDK is good. Oracle's one is also good). JavaFX
 * Get this application (JAR file) double-click on on it (alternatively open 'cmd', go to place where jar located and execute via 'java -jar thisAppName.jar')
 * Remember to have fun!
 
-### macOS
-
-Not tested.
-
-See 'Linux' section
-
 ## Tips&tricks
 ### Add user to udev rules to use NS non-root (Linux):
 `root # vim /etc/udev/rules.d/99-NS.rules`
@@ -53,6 +57,6 @@ See 'Linux' section
 * Unable to interrupt transmission when libusb awaiting for read event (when user sent NSP list but didn't selected anything on NS).
 
 ## TODO:
-- [ ] macOS QA
+- [x] macOS QA by [Konstanin Kelemen](https://github.com/konstantin-kelemen). Appreciate assistance of [Vitaliy Natarov](https://github.com/SebastianUA). 
 - [x] Windows support
 - [ ] code refactoring
\ No newline at end of file
diff --git a/src/main/java/nsusbloader/UsbCommunications.java b/src/main/java/nsusbloader/UsbCommunications.java
index 657e10a..1992287 100644
--- a/src/main/java/nsusbloader/UsbCommunications.java
+++ b/src/main/java/nsusbloader/UsbCommunications.java
@@ -590,7 +590,7 @@ class UsbCommunications extends Task<Void> {
             int trans = readBufTransferred.get();
             byte[] receivedBytes = new byte[trans];
             readBuffer.get(receivedBytes);
-            /* DEBUG START----------------------------------------------------------------------------------------------
+            /* DEBUG START----------------------------------------------------------------------------------------------*
             hexDumpUTF8(receivedBytes);
             // DEBUG END----------------------------------------------------------------------------------------------*/
             return receivedBytes;