typos

chap-GS-background.tex

@@ -209,7 +209,7 @@ variables:
 %
 \end{itemize}
 
-\noindent In attack games, adversaries are granted access to the
+In attack games, adversaries are granted access to the
 following oracles:
 
 \begin{itemize}
@@ -267,7 +267,7 @@ following oracles:
 
 \end{itemize}
 
-\noindent Based on the above syntax,  the
+Based on the above syntax,  the
 security properties are formalized as follows.
 
 \subsection{Security Against Misidentification Attacks}