diff --git a/interface/wx/colordlg.h b/interface/wx/colordlg.h
index d9001608cf..ca6fba0884 100644
--- a/interface/wx/colordlg.h
+++ b/interface/wx/colordlg.h
@@ -158,8 +158,8 @@ wxEventType wxEVT_COLOUR_CHANGED;
 
     @header{wx/colordlg.h}
 */
-wxColour wxGetColourFromUser(wxWindow* parent,
-                             const wxColour& colInit,
+wxColour wxGetColourFromUser(wxWindow* parent = nullptr,
+                             const wxColour& colInit = wxNullColour,
                              const wxString& caption = wxEmptyString,
                              wxColourData* data = nullptr);
 
diff --git a/interface/wx/dirdlg.h b/interface/wx/dirdlg.h
index 759b2b7ea4..0fc5d00867 100644
--- a/interface/wx/dirdlg.h
+++ b/interface/wx/dirdlg.h
@@ -167,13 +167,13 @@ public:
 /**
     Pops up a directory selector dialog. The arguments have the same meaning
     as those of wxDirDialog::wxDirDialog(). The message is displayed at the
-    top, and the default_path, if specified, is set as the initial selection.
+    top, and the @a defaultPath, if specified, is set as the initial selection.
 
     The application must check for an empty return value (if the user pressed
     Cancel). For example:
 
     @code
-    const wxString& dir = wxDirSelector("Choose a folder");
+    const wxString dir = wxDirSelector("Choose a folder");
     if ( !dir.empty() )
     {
         ...
@@ -183,8 +183,8 @@ public:
     @header{wx/dirdlg.h}
 */
 wxString wxDirSelector(const wxString& message = wxDirSelectorPromptStr,
-                       const wxString& default_path = wxEmptyString,
-                       long style = 0,
+                       const wxString& defaultPath = wxEmptyString,
+                       long style = wxDD_DEFAULT_STYLE,
                        const wxPoint& pos = wxDefaultPosition,
                        wxWindow* parent = nullptr);
 
diff --git a/interface/wx/filedlg.h b/interface/wx/filedlg.h
index 6184b1e15c..90d2c73264 100644
--- a/interface/wx/filedlg.h
+++ b/interface/wx/filedlg.h
@@ -495,9 +495,9 @@ public:
     default filename will be supplied. The wildcard determines what files are
     displayed in the file selector, and file extension supplies a type
     extension for the required filename. Flags may be a combination of
-    wxFD_OPEN, wxFD_SAVE, wxFD_OVERWRITE_PROMPT or wxFD_FILE_MUST_EXIST.
+    @c wxFD_OPEN, @c wxFD_SAVE, @c wxFD_OVERWRITE_PROMPT or @c wxFD_FILE_MUST_EXIST.
 
-    @note wxFD_MULTIPLE can only be used with wxFileDialog and not here since
+    @note @c wxFD_MULTIPLE can only be used with wxFileDialog and not here since
           this function only returns a single file name.
 
     Both the Unix and Windows versions implement a wildcard filter. Typing a
@@ -555,6 +555,8 @@ wxString wxFileSelectorEx(const wxString& message = wxFileSelectorPromptStr,
 /**
     Shows a file dialog asking the user for a file name for opening a file.
 
+    The file dialog will have @c wxFD_FILE_MUST_EXIST flag set.
+
     @see wxFileSelector(), wxFileDialog
 
     @header{wx/filedlg.h}
@@ -567,6 +569,8 @@ wxString wxLoadFileSelector(const wxString& what,
 /**
     Shows a file dialog asking the user for a file name for saving a file.
 
+    The file dialog will not have @c wxFD_OVERWRITE_PROMPT flag set.
+
     @see wxFileSelector(), wxFileDialog
 
     @header{wx/filedlg.h}
diff --git a/interface/wx/fontdlg.h b/interface/wx/fontdlg.h
index 6abd5605a0..16c7021790 100644
--- a/interface/wx/fontdlg.h
+++ b/interface/wx/fontdlg.h
@@ -97,8 +97,8 @@ public:
 
     @header{wx/fontdlg.h}
 */
-wxFont wxGetFontFromUser(wxWindow* parent,
-                         const wxFont& fontInit,
+wxFont wxGetFontFromUser(wxWindow* parent = nullptr,
+                         const wxFont& fontInit = wxNullFont,
                          const wxString& caption = wxEmptyString);
 
 ///@}