diff --git a/Developers_manual/doc_tex/Developers_manual/objects.tex b/Developers_manual/doc_tex/Developers_manual/objects.tex
index ab425803d7a..109385d890c 100644
--- a/Developers_manual/doc_tex/Developers_manual/objects.tex
+++ b/Developers_manual/doc_tex/Developers_manual/objects.tex
@@ -54,7 +54,7 @@ When the number of possible return types is limited (like in intersection), \cga
 \ccAnchor{http://www.boost.org/libs/variant}{\ccc{boost::variant}} (together with \ccAnchor{http://www.boost.org/libs/optional}{\ccc{boost::optional}}
 if emptiness needs to be covered). The intersection computation functors now use this mechanism and support the
 the \ccc{result_of} protocol. The advantages of \ccAnchor{http://www.boost.org/libs/variant}{\ccc{boost::variant}} are that
-the assignements are checked at compile time and that it is faster at runtime than the general polymorphic approach.
+the assignments are checked at compile time and that it is faster at runtime than the general polymorphic approach.
 
 An alternative is to use a class handling several output iterators at the same time such as the classes
 \ccAnchor{http://www.cgal.org/Manual/latest/doc_html/cgal_manual/STL_Extension_ref/Class_Dispatch_output_iterator.html}{\ccc{Dispatch_output_iterator}}