diff --git a/cours.cls b/cours.cls
index e74aa72..6910ed0 100644
--- a/cours.cls
+++ b/cours.cls
@@ -197,7 +197,7 @@
 			\endthmbox\vspace*{.75ex}\end{minipage}\end{center}%
 }
 
-\newenvironment{rem}{\par\textbf{Remarque: }\nopagebreak}{\par}
-\newenvironment{exemple}[1][\unskip]{\par\textbf{Exemple: }\textit{#1}
-  \nopagebreak}{\par}
+\newenvironment{rem}{\par\medbreak
+   \noindent\textbf{Remarque: }\nopagebreak}{\medbreak\par}
+\newenvironment{exemple}[1][\unskip]{\par\medbreak\noindent\textbf{Exemple: }\textit{#1}  \nopagebreak}{\bigbreak\par}
 \newenvironment{preuve}{\par\textit{Démonstration: }\nopagebreak}{\par}