diff --git a/commun/commun.sty b/commun/commun.sty
index fe38c57..b5eeae5 100644
--- a/commun/commun.sty
+++ b/commun/commun.sty
@@ -294,6 +294,7 @@
 \newcommand\bcexemple{\centering \normalsize \faPaperclip}
 \newcommand\bcremarque{\centering \normalsize \faExclamationTriangle}
 \newcommand\bclivre{\centering \normalsize \faBook}
+\newcommand\bcaide{\centering \normalsize \faInfoCircle}
 %--
 
 
diff --git a/jl-cours/environments.tex b/jl-cours/environments.tex
index c37fb31..0a9f49e 100644
--- a/jl-cours/environments.tex
+++ b/jl-cours/environments.tex
@@ -333,6 +333,19 @@
   \end{bclogo}
 }
 
+% aide
+\NewDocumentEnvironment{aide}{ o }{
+  \IfNoValueTF {#1} {
+    \begin{bclogo}[logo=\bcaide, noborder=true, barre=motif, motifBarre=$ $]{ }
+      \vspace{-1.1em}\em
+  }{
+    \begin{bclogo}[logo=\bcaide, noborder=true, barre=motif, motifBarre=$ $]{\textnormal{\em #1}}
+      \em
+  }
+}{
+  \end{bclogo}
+}
+
 % objectif
 % Tentative d'environnement utilisant bclogo
 \NewDocumentEnvironment{objectif}{ }{