diff --git a/cfg/std.cfg b/cfg/std.cfg
index 887074ea6..66a41de2d 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -5382,18 +5382,20 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
       <not-uninit/>
     </arg>
   </function>
-  <!-- void std::resize (size_t n, char c);-->
-  <!-- void std::resize (size_t n, char c);-->
-  <!-- void std::wstring::resize (size_t n);-->
   <!-- void std::string::resize (size_t n);-->
+  <!-- void std::string::resize (size_t n, char c);-->
+  <!-- void std::wstring::resize (size_t n);-->
+  <!-- void std::wstring::resize (size_t n, wchar_t c);-->
   <function name="std::string::resize,std::wstring::resize">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <arg nr="1">
       <not-uninit/>
+      <valid>0:</valid>
     </arg>
     <arg nr="2" default=" ">
       <not-uninit/>
+      <valid>0:255</valid>
     </arg>
   </function>
   <!-- wstring to_wstring (int val); -->