diff --git a/Manual/doc_tex/Manual/manual-3.5.bib b/Manual/doc_tex/Manual/manual-3.5.bib
index 1e58c72f9c1..9d9c0741472 100644
--- a/Manual/doc_tex/Manual/manual-3.5.bib
+++ b/Manual/doc_tex/Manual/manual-3.5.bib
@@ -207,7 +207,7 @@
 
 @incollection{cgal:fwzh-rbso2-08
 , author =  "Efi Fogel and  Ron Wein and  Baruch Zukerman and Dan Halperin"
-, title =   "2D Regularized Boolean Set-Operations"
+, title =   "2D Regularized {Boolean} Set-Operations"
 , editor =  "{CGAL Editorial Board}"
 , edition =     "3.5"
 , booktitle =   "{CGAL} User and Reference Manual"
@@ -217,7 +217,7 @@
 
 @incollection{cgal:w-ms2-08
 , author =  "Ron Wein"
-, title =   "2D Minkowski Sums"
+, title =   "2D {Minkowski} Sums"
 , editor =  "{CGAL Editorial Board}"
 , edition =     "3.5"
 , booktitle =   "{CGAL} User and Reference Manual"
@@ -228,7 +228,7 @@
 
 @incollection{cgal:s-bonp2-08
 , author =  "Michael Seel"
-, title =   "2D Boolean Operations on {Nef} Polygons"
+, title =   "2D {Boolean} Operations on {Nef} Polygons"
 , editor =  "{CGAL Editorial Board}"
 , edition =     "3.5"
 , booktitle =   "{CGAL} User and Reference Manual"
@@ -238,7 +238,7 @@
 
 @incollection{cgal:hk-bonpes2-08
 , author =  "Peter Hachenberger and Lutz Kettner"
-, title =   "2D Boolean Operations on {Nef} Polygons Embedded on the Sphere"
+, title =   "2D {Boolean} Operations on {Nef} Polygons Embedded on the Sphere"
 , editor =  "{CGAL Editorial Board}"
 , edition =     "3.5"
 , booktitle =   "{CGAL} User and Reference Manual"
@@ -248,7 +248,7 @@
 
 @incollection{cgal:hk-bonp3-08
 , author =  "Peter Hachenberger and Lutz Kettner"
-, title =   "3D Boolean Operations on {Nef} Polyhedra"
+, title =   "3D {Boolean} Operations on {Nef} Polyhedra"
 , editor =  "{CGAL Editorial Board}"
 , edition =     "3.5"
 , booktitle =   "{CGAL} User and Reference Manual"
@@ -269,7 +269,7 @@
 
 @incollection{cgal:hk-mnp3-08
 , author =  "Peter Hachenberger"
-, title =   "3D Minkowski Sum of Polyhedra"
+, title =   "3D {Minkowski} Sum of Polyhedra"
 , editor =  "{CGAL Editorial Board}"
 , edition =     "3.5"
 , booktitle =   "{CGAL} User and Reference Manual"