diff --git a/cfg/wxwidgets.cfg b/cfg/wxwidgets.cfg
index ac4c24201..325223cab 100644
--- a/cfg/wxwidgets.cfg
+++ b/cfg/wxwidgets.cfg
@@ -6984,20 +6984,30 @@
     </arg>
   </function>
   <!-- wxString & wxString::Append (const char *psz)                    -->
-  <!-- wxString & wxString:: Append (const wchar_t *pwz)                -->
+  <!-- wxString & wxString::Append (const wchar_t *pwz)                 -->
   <!-- wxString & wxString::Append (const char *psz, size_t nLen)    (*)-->
   <!-- wxString & wxString::Append (const wchar_t *pwz, size_t nLen) (*)-->
   <!-- wxString & wxString::Append (const wxString &s)               (+)-->
   <!-- wxString & wxString::Append (wxUniChar ch, size_t count=1u)   (*)-->
   <function name="wxString::Appendt">
     <noreturn>false</noreturn>
-    <returnValue type="wxString"/>
+    <returnValue type="wxString &amp;"/>
     <arg nr="1">
       <!-- <not-uninit/> Avoid FPs (+)-->
       <not-null/>
     </arg>
     <!--(*) 2.arg version not supported -->
   </function>
+  <!-- void wxStyledTextCtrl::MarkerSetForeground( int markerNumber, const wxColour & fore ) -->
+  <!-- void wxStyledTextCtrl::MarkerSetBackground( int markerNumber, const wxColour & fore ) -->
+  <function name="wxStyledTextCtrl::MarkerSetForeground,wxStyledTextCtrl::MarkerSetBackground">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2"/>
+  </function>
   <!--static wxWindow* wxWindow::FindWindowById(long id, const wxWindow * parent = 0) -->
   <function name="wxWindow::FindWindowById">
     <noreturn>false</noreturn>