diff --git a/src/packer.h b/src/packer.h
index 1dd32aec..99564f81 100644
--- a/src/packer.h
+++ b/src/packer.h
@@ -230,6 +230,26 @@ protected:
     virtual void defineFilterSymbols(const Filter *ft);
 
     // stub and overlay util
+
+     /**
+     * \brief Copy stub from exe.
+     *
+     * \param :
+     * 
+     * \arg InputFile *fif \n
+     *        Source file where `OutputFile *fo` will be copied.
+     * 
+     * \arg OutputFile *fo \n
+     *        Destination file oubject file where `OutputFile *fo` will be copied.
+     *
+     * \arg unsigned size \n
+     *        Size of the destination stub. Should be same as `InputFile *fif`.
+     * 
+     * \todo ensure if there is not a more posix friendly method to store the destination stub size for cpp. Might be better with str.length(). Might avoid memory corruption.
+     * 
+     * \return void.
+     **/
+
     static void handleStub(InputFile *fi, OutputFile *fo, unsigned size);
     virtual void checkOverlay(unsigned overlay);
     virtual void copyOverlay(OutputFile *fo, unsigned overlay, MemBuffer &buf, bool do_seek = true);
diff --git a/src/pefile.cpp b/src/pefile.cpp
index 5d55ba0f..3ee1b038 100644
--- a/src/pefile.cpp
+++ b/src/pefile.cpp
@@ -2281,45 +2281,6 @@ void PeFile::callProcessResources(Resource &res, unsigned &ic) {
     ic += soresources;
 }
 
-/**
- * @brief create UPX0 section
- * 
- * @name pack0
- *
- *     Reduct the file size.
- *
- * @param fo
- *        The OutputFile class to the path where the new file will be created. 
- *
- * @param ih
- *        Input PE header.
- * 
- *        Native windows data structure required by the os to be understood and to make a valid executable. The documentation of this data type is present there: https://www.vergiliusproject.com/kernels/x64/windows-11/23h2/_IMAGE_FILE_HEADER and described there: https://wiki.osdev.org/PE#PE_header .
- * 
- * @param oh
- *        Output PE header.
- * 
- *        Native windows data structure required by the os to be understood and to make a valid executable. The documentation of this data type is present there: https://www.vergiliusproject.com/kernels/x64/windows-11/23h2/_IMAGE_FILE_HEADER and described there: https://wiki.osdev.org/PE#PE_header .
- * 
- * @param subsystem_mask
- *        Permission mask for UPX0, UPX1, etc... sections.
- *        
- *        Number between 0 and 255 to indicate the section permissions of the section UPX0, UPX1, etc...
- *
- * @param default_imagebase
- *        Base address of the image base of the process.
- *        
- *        Very first start of where is stored the data and the code run by the OS.
- * 
- * @param last_section_rsrc_only
- *        This is true when the last PE section of the compressed file must only contain resources and must be called "rsrc"
- *
- * @return void, in any circonstance.
- *
- * @remarks None.
- *
- */
-
 template <typename LEXX, typename ht> void PeFile::pack0(OutputFile *fo, ht &ih, ht &oh, unsigned subsystem_mask, upx_uint64_t default_imagebase, bool last_section_rsrc_only) {
     // FIXME: we need to think about better support for --exact
     if (opt->exact)
@@ -2978,8 +2939,7 @@ void PeFile::rebuildImports(SPAN_S(byte) & extra_info, ord_mask_t ord_mask, bool
     // memset(imdata, 0, ptr_udiff_bytes(p, imdata));
 }
 
-template <typename ht, typename LEXX, typename ord_mask_t>
-void PeFile::unpack0(OutputFile *fo, const ht &ih, ht &oh, ord_mask_t ord_mask, bool set_oft) {
+template <typename ht, typename LEXX, typename ord_mask_t> void PeFile::unpack0(OutputFile *fo, const ht &ih, ht &oh, ord_mask_t ord_mask, bool set_oft) {
     // infoHeader("[Processing %s, format %s, %d sections]", fn_basename(fi->getName()), getName(),
     // objs);
 
diff --git a/src/pefile.h b/src/pefile.h
index afa359bf..8cc74633 100644
--- a/src/pefile.h
+++ b/src/pefile.h
@@ -63,30 +63,30 @@ protected:
 
 
     /**
-     * \brief create UPX0 section
+     * \brief Create UPX0 section with compressed full executable. 
      *
      * \param :
      * 
-     * \arg fo
+     * \arg fo \n
      *        The OutputFile class to the path where the new file will be created.
      * 
-     * \arg ih
+     * \arg ih \n
      *        Input PE header. \n \n
      *        Native windows data structure required by the os to be understood and to make a valid executable. The documentation of this data type is present there: https://www.vergiliusproject.com/kernels/x64/windows-11/23h2/_IMAGE_FILE_HEADER and described there: https://wiki.osdev.org/PE#PE_header.
      * 
-     * \arg oh
+     * \arg oh \n
      *        Output PE header. \n \n
      *        Native windows data structure required by the os to be understood and to make a valid executable. The documentation of this data type is present there: https://www.vergiliusproject.com/kernels/x64/windows-11/23h2/_IMAGE_FILE_HEADER and described there: https://wiki.osdev.org/PE#PE_header.
      * 
-     * \arg subsystem_mask
-     *        Permission mask for UPX0, UPX1, etc... sections. \n \n
-     *        Number between 0 and 255 to indicate the section permissions of the section UPX0, UPX1, etc...
+     * \arg subsystem_mask \n
+     *        Permission mask for the section UPX0. \n \n
+     *        Number between 0 and 255 to indicate the section permissions of the section UPX0.
      *
-     * \arg default_imagebase
+     * \arg default_imagebase \n 
      *        Base address of the image base of the process. \n \n
      *        Very first start of where is stored the data and the code run by the OS.
      * 
-     * \arg last_section_rsrc_only
+     * \arg last_section_rsrc_only \n
      *        This is true when the last PE section of the compressed file must only contain resources and must be called "rsrc"
      *
      * \return void, in any circonstance.