paper: update/back to the previous title

Signed-off-by: Paulo Meirelles <paulormm@ime.usp.br>

Author: paulormm

paper/paper.md

@@ -1,5 +1,5 @@
 ---
-title: 'patch-hub: A Terminal User Interface to streamline Linux kernel patch review'
+title: 'patch-hub: A terminal-based tool to streamline Linux kernel patch review'
 tags:
   - Linux kernel
   - Free Software