diff --git a/USB.md b/USB.md
index fe02972..0da7a92 100644
--- a/USB.md
+++ b/USB.md
@@ -3,9 +3,9 @@ USB
 
 The USB standard is available from [USB-IF](https://usb.org/).
 
-* [USB 2.0 Specification](https://usb.org/document-library/usb-20-specification) [direct link](https://www.usb.org/sites/default/files/usb_20_20190524.zip)
-* [USB 3.2 Specification](https://usb.org/document-library/usb-32-specification-released-september-22-2017-and-ecns) [direct link](https://www.usb.org/sites/default/files/usb_32_20200716_0.zip)
-* [USB 4 Specification](https://usb.org/document-library/usb4tm-specification) [direct link](https://usb.org/sites/default/files/USB4%20Specification_5.zip)
+* [USB 2.0 Specification](https://usb.org/document-library/usb-20-specification) - [direct link](https://www.usb.org/sites/default/files/usb_20_20190524.zip)
+* [USB 3.2 Specification](https://usb.org/document-library/usb-32-specification-released-september-22-2017-and-ecns) - [direct link](https://www.usb.org/sites/default/files/usb_32_20200716_0.zip)
+* [USB 4 Specification](https://usb.org/document-library/usb4tm-specification) - [direct link](https://usb.org/sites/default/files/USB4%20Specification_5.zip)
 
 Manufacturers
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