Use spaces

thesis.tex

@@ -112,8 +112,10 @@
 \begin{document}
 
     \begin{titlepage}
-        % UniMore color accent line
+        \begin{tikzpicture}[remember picture, overlay]
-        {\color{unimorered}\rule{\textwidth}{2pt}}
+        \fill[unimorered] (current page.north west) rectangle
+            ([xshift=1.5cm]current page.south west);
+        \end{tikzpicture}
 
         \begin{center}
             \includegraphics[width=8cm]{assets/images/unimore/Sigillo2015.png}
@@ -170,7 +172,7 @@
 
     \addcontentsline{toc}{chapter}{Bibliografia}
 
-    \printbibliography[heading=subbibliography, title=Bibliografia]
+    \printbibliography[heading=bibliography, title=Bibliografia]
 
     \nocite{*}