README.md: Improve markdown formatting; more links

Change-Id: I16511491fdf00a01b9b6deecf8d19a1f2f5e6c3c
---
M README.md
1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 95ad1ac..8a8efdd 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,11 @@
 # libgtpnl - netlink library for Linux kernel GTP
 
-In order to control the kernel-side GTP-U plane, a netlink based control
-interface between GTP-C in userspace and GTP-U in kernelspace was
-invented.
+In order to control the kernel-side GTP-U plane (`gtp` driver), a
+netlink based control interface between GTP-C in userspace and GTP-U in
+kernelspace was invented.
 
 The encoding and decoding of these control messages is implemented in
-the libgtpnl (library for GTP netlink).
+this *libgtpnl* (library for GTP netlink).
 
 libgtpnl is part of the [Osmocom](https://osmocom.org/) Open Source
 Mobile Communications project.
@@ -22,7 +22,8 @@
 
 	git clone https://gitea.osmocom.org/cellular-infrastructure/libgtpnl
 
-Visiting the URL in a browser shows a web interface.
+Visiting the URL in a browser shows a
+[web interface](https://gitea.osmocom.org/cellular-infrastructure/libgtpnl).
 
 Mailing List
 ------------

