diff --git a/interface/wx/string.h b/interface/wx/string.h
index 4952ca259a..73a8e86ffc 100644
--- a/interface/wx/string.h
+++ b/interface/wx/string.h
@@ -112,6 +112,26 @@ public:
     */
     wxString(const wxString& stringSrc);
 
+    /**
+       Construct a string consisting of @a nRepeat copies of ch.
+    */
+    wxString(wxUniChar ch, size_t nRepeat = 1);
+
+    /**
+       Construct a string consisting of @a nRepeat copies of ch.
+    */
+    wxString(wxUniCharRef ch, size_t nRepeat = 1);
+
+    /**
+       Construct a string consisting of @a nRepeat copies of ch
+       converted to Unicode using the current locale encoding.
+    */
+    wxString(char ch, size_t nRepeat = 1);
+
+    /**
+       Construct a string consisting of @a nRepeat copies of ch.
+    */
+    wxString(wchar_t ch, size_t nRepeat = 1);
 
     /**
        Constructs a string from the string literal @a psz using
diff --git a/interface/wx/unichar.h b/interface/wx/unichar.h
index 83f63525d8..4866c1c11d 100644
--- a/interface/wx/unichar.h
+++ b/interface/wx/unichar.h
@@ -19,9 +19,9 @@ class wxUniChar
 {
 public:
     /**
-        This is not wchar_t on purpose, it needs to represent the entire
-        Unicode code points range and wchar_t may be too small for that
-        (e.g. on Win32 where wchar_t* is encoded in UTF-16).
+        A type capable of holding any Unicode code point.
+        We do not use wchar_t as it cannot do the job on Win32,
+        where wchar_t is a 16-bit type (wchar_t* is encoded using UTF-16 on Win32).
     */
     typedef wxUint32 value_type;
 
@@ -32,8 +32,8 @@ public:
 
     //@{
     /**
-        Create the character from 8bit character value encoded in the current
-        locale's charset.
+        Create a character from the 8-bit character value @a c using the
+        current locale’s encoding.
     */
     wxUniChar(char c);
     wxUniChar(unsigned char c);