diff --git a/apps/sample/trimesh_allocate/trimesh_allocate.cpp b/apps/sample/trimesh_allocate/trimesh_allocate.cpp
index b6859e7d..81dcdb36 100644
--- a/apps/sample/trimesh_allocate/trimesh_allocate.cpp
+++ b/apps/sample/trimesh_allocate/trimesh_allocate.cpp
@@ -86,7 +86,7 @@ int main()
        }
   }
 
-  // WRONG WAY of iterating: FN() != m.face.size() if there are deleted elemen
+  // WRONG WAY of iterating: FN() != m.face.size() if there are deleted elements
   for(int i=0;i<m.FN();++i)
   {
      if(!fi->IsD())
diff --git a/docs/Doxygen/doxyfile b/docs/Doxygen/doxyfile
index 133e4ec0..20f9f17a 100644
--- a/docs/Doxygen/doxyfile
+++ b/docs/Doxygen/doxyfile
@@ -680,7 +680,9 @@ INPUT                  = ../../vcg/complex/allocate.h \
                          . \
                          ../../vcg/complex/complex.h \
                          ../../vcg/simplex/vertex/component.h \
-                         ../../vcg/simplex/face/component.h
+                         ../../vcg/simplex/face/component.h \
+                         ../../vcg/complex/algorithms/create/platonic.h \
+                         ../../vcg/complex/append.h
 
 # This tag can be used to specify the character encoding of the source files 
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is