diff --git a/Installation/CHANGES.md b/Installation/CHANGES.md
index 0be9b59545c..c010916d246 100644
--- a/Installation/CHANGES.md
+++ b/Installation/CHANGES.md
@@ -4,7 +4,7 @@ Release History
 [Release 5.6](https://github.com/CGAL/cgal/releases/tag/v5.6)
 -----------
 
-Release date: June 2022
+Release date: June 2023
 
 ### [Combinatorial Maps](https://doc.cgal.org/5.6/Manual/packages.html#PkgCombinatorialMaps) [Generalized Maps](https://doc.cgal.org/5.6/Manual/packages.html#PkgGeneralizedMaps) [Linear Cell Complex](https://doc.cgal.org/5.6/Manual/packages.html#PkgLinearCellComplex)
 
diff --git a/Mesh_2/doc/Mesh_2/Mesh_2.txt b/Mesh_2/doc/Mesh_2/Mesh_2.txt
index 367818dc173..7d31bb1fc85 100644
--- a/Mesh_2/doc/Mesh_2/Mesh_2.txt
+++ b/Mesh_2/doc/Mesh_2/Mesh_2.txt
@@ -278,7 +278,7 @@ After Delaunay refinement, angles are in the interval [28.5; 121.9] degrees.
 After 10 iterations of Lloyd optimization, they are in [29.1; 110.8]. 100 iterations take them to [29.3; 109.9].
 \cgalFigureEnd
 
-Since \cgal 5.6, `lloyd_optimize_mesh_2()` uses \ref bgl_namedparameters to set parameters. More details are provided in  \ref FromBoostNPtoCGALNP.
+As of \cgal 5.6, `lloyd_optimize_mesh_2()` uses \ref bgl_namedparameters to set parameters. More details are provided in  \ref FromBoostNPtoCGALNP.
 
 \subsection Mesh_2Examples Examples
 
diff --git a/Mesh_3/doc/Mesh_3/Mesh_3.txt b/Mesh_3/doc/Mesh_3/Mesh_3.txt
index bc93196a563..29ba32bd500 100644
--- a/Mesh_3/doc/Mesh_3/Mesh_3.txt
+++ b/Mesh_3/doc/Mesh_3/Mesh_3.txt
@@ -301,7 +301,7 @@ of the `C3T3`. They can be removed using the function `remove_isolated_vertices(
 
 \section Mesh_3_section_interface Interface
 
-Since \cgal 5.6, this packages uses \ref bgl_namedparameters to set parameters. More details are provided in  \ref FromBoostNPtoCGALNP.
+As of \cgal 5.6, this package uses \ref bgl_namedparameters to set parameters. More details are provided in  \ref FromBoostNPtoCGALNP.
 
 \subsection Mesh_3TheGlobalFunctions The Global Functions
 
diff --git a/Mesh_3/include/CGAL/exude_mesh_3.h b/Mesh_3/include/CGAL/exude_mesh_3.h
index 42fa393d4e4..02cccf39ed0 100644
--- a/Mesh_3/include/CGAL/exude_mesh_3.h
+++ b/Mesh_3/include/CGAL/exude_mesh_3.h
@@ -59,7 +59,7 @@ namespace CGAL {
  *   \cgalParamNBegin{sliver_bound}
  *     \cgalParamDescription{is designed to give, in degrees, a targeted lower bound on dihedral angles of mesh cells.
  *                           The exudation process considers in turn all the mesh cells that have a smallest dihedral
- *                           angle less than sliver_bound and tries to make them disappear by weighting their vertices.
+ *                           angle less than `sliver_bound` and tries to make them disappear by weighting their vertices.
  *                           The optimization process stops when every cell in the mesh achieves this quality. The
  *                           default value is 0 and means that there is no targeted bound: the exuder then runs as long
  *                           as it can improve the smallest dihedral angles of the set of cells incident to some vertices.}
diff --git a/Periodic_3_mesh_3/doc/Periodic_3_mesh_3/Periodic_3_mesh_3.txt b/Periodic_3_mesh_3/doc/Periodic_3_mesh_3/Periodic_3_mesh_3.txt
index 715b59b132e..701fa394146 100644
--- a/Periodic_3_mesh_3/doc/Periodic_3_mesh_3/Periodic_3_mesh_3.txt
+++ b/Periodic_3_mesh_3/doc/Periodic_3_mesh_3/Periodic_3_mesh_3.txt
@@ -76,7 +76,7 @@ of the manual of 3D periodic triangulations).
 Thanks to this construction, the meshing process can be exclusively conducted
 within the canonical cube.
 The mesh can then be created using the \ref PkgMesh3 package of \cgal.
-As this package originally aims to mesh non-periodic domains of \f$ \mathbb R^3\f$, an interfacez
+As this package originally aims to mesh non-periodic domains of \f$ \mathbb R^3\f$, an interface
 is necessary between the packages \ref PkgMesh3 and \ref PkgPeriodic3Triangulation3.
 This package provides this interface.
 
@@ -250,7 +250,7 @@ for further information.
 
 \section Periodic_3_mesh_3_section_interface Interface
 
-Since \cgal 5.6, this packages uses \ref bgl_namedparameters to set parameters. More details are provided in  \ref FromBoostNPtoCGALNP.
+As of \cgal 5.6, this package uses \ref bgl_namedparameters to set parameters. More details are provided in  \ref FromBoostNPtoCGALNP.
 
 \subsection Periodic_3_mesh_3TheGlobalFunctions The Global Functions
 
diff --git a/STL_Extension/doc/STL_Extension/STL_Extension.txt b/STL_Extension/doc/STL_Extension/STL_Extension.txt
index d791c3ade49..947faab8ba2 100644
--- a/STL_Extension/doc/STL_Extension/STL_Extension.txt
+++ b/STL_Extension/doc/STL_Extension/STL_Extension.txt
@@ -409,7 +409,7 @@ Mesh_criteria criteria(edge_size = 8,
                        cell_radius_edge_ratio = 3,
                        cell_size = 10);
 \endcode
-should now be written as follow:
+should now be written as follows:
 \code
 Mesh_criteria criteria(edge_size(8).
                        facet_angle(25).
@@ -422,6 +422,6 @@ Mesh_criteria criteria(edge_size(8).
 Note that we have tried to preserve the backward compatibility by allowing previous API
 to remain valid. However, if new parameters are introduced for those functions, there is
 no guarantee that they will be ported to the old API. So we strongly encourage users to
-upgrade to the new API. Additionally, passing parameters without names is deprecated or
+upgrade to the new API. Additionally, passing parameters without names is deprecated
 and even removed for some functions.
 */
\ No newline at end of file