diff --git a/Old_Packages/Doc23/doc_tex/kernel/Ref/Vector_3.tex b/Old_Packages/Doc23/doc_tex/kernel/Ref/Vector_3.tex
index 9e7f85df1b1..bd434d00750 100644
--- a/Old_Packages/Doc23/doc_tex/kernel/Ref/Vector_3.tex
+++ b/Old_Packages/Doc23/doc_tex/kernel/Ref/Vector_3.tex
@@ -141,5 +141,6 @@ The following operations can be applied on vectors:
 
 \ccSeeAlso
 \ccRefConceptPage{Kernel::Vector_3} \\
+\ccRefIdfierPage{CGAL::cross_product} \\
 
 \end{ccRefClass} 
diff --git a/Packages/Kernel_23/doc_tex/kernel/Ref/Vector_3.tex b/Packages/Kernel_23/doc_tex/kernel/Ref/Vector_3.tex
index 9e7f85df1b1..bd434d00750 100644
--- a/Packages/Kernel_23/doc_tex/kernel/Ref/Vector_3.tex
+++ b/Packages/Kernel_23/doc_tex/kernel/Ref/Vector_3.tex
@@ -141,5 +141,6 @@ The following operations can be applied on vectors:
 
 \ccSeeAlso
 \ccRefConceptPage{Kernel::Vector_3} \\
+\ccRefIdfierPage{CGAL::cross_product} \\
 
 \end{ccRefClass}