diff --git a/src/plugins/e-acsl/doc/refman/changes_modern.tex b/src/plugins/e-acsl/doc/refman/changes_modern.tex
index e532cf02b0f6ebd3b2e3aa950c40bfea5881f82e..4266ddd7e32525ee9990447e923a4d91831c2c42 100644
--- a/src/plugins/e-acsl/doc/refman/changes_modern.tex
+++ b/src/plugins/e-acsl/doc/refman/changes_modern.tex
@@ -126,6 +126,12 @@ in \lstinline|\\at|}
 
 \subsection*{Version \eacslpluginversion}
 
+\begin{itemize}
+\item \changeinsection{expressions}{support of bitwise operations}
+\end{itemize}
+
+\subsection*{Version Scandium-21}
+
 \begin{itemize}
 \item \changeinsection{reals}{support of rational numbers and operations}
 \item \changeinsection{fn-behavior}{remove abrupt clauses from the list of
diff --git a/src/plugins/e-acsl/doc/refman/intro_modern.tex b/src/plugins/e-acsl/doc/refman/intro_modern.tex
index 8be890311bc013277597ff2790eae605cd7ba441..869c0d0e427e8504a1638ab7d97df20c439366a4 100644
--- a/src/plugins/e-acsl/doc/refman/intro_modern.tex
+++ b/src/plugins/e-acsl/doc/refman/intro_modern.tex
@@ -48,7 +48,6 @@ currently implemented into the \framac's \eacsl plug-in.
       \hline
       terms
       & \lstinline|\\true| and \lstinline|\\false| \\
-      & bitwise operators \\
       & let binding \\
       & t-sets \\
       \hline
diff --git a/src/plugins/e-acsl/doc/refman/term.tex b/src/plugins/e-acsl/doc/refman/term.tex
index 6af096790d609911bff64586e68fff1e7e26180b..0582703adc5a5512f462b839fd56885c2dc1a268 100644
--- a/src/plugins/e-acsl/doc/refman/term.tex
+++ b/src/plugins/e-acsl/doc/refman/term.tex
@@ -4,11 +4,11 @@
        | real ; real constants
        | string ; string constants
        | character ; character constants
-       \ 
-  bin-op ::= "+" | "-" | "*" | [ "/" ] | [ "%" ] | { "<<" } | { ">>" };
+       \
+  bin-op ::= "+" | "-" | "*" | [ "/" ] | [ "%" ] | "<<" | ">>";
        | "==" | "!=" | "<=" | ">=" | ">" | "<" ;
        | [ "&&" ] | [ "||" ] | [ "^^" ] ; boolean operations
-       | { "&" } | { "|" } | { "-->" } | { "<-->" } | "^" ; bitwise operations
+       | "&" | "|" | "-->" | "<-->" | "^" ; bitwise operations
        \
   unary-op ::= "+" | "-" ; unary plus and minus
        | "!" ; boolean negation