diff --git a/include/sheet.h b/include/sheet.h
index 0d852cd99..295885aea 100755
--- a/include/sheet.h
+++ b/include/sheet.h
@@ -82,11 +82,13 @@ public:
   
   // @cmember Abilita/disabilita una riga
   void enable_row(long n, bool on = TRUE);
-  // @cmember Disabilita una riga (chiama <mf TSheet::enable>)
+  // @cmember Disabilita una riga (chiama <mf TSheet::enable_row>)
   void disable_row(long n)
   { enable_row(n, FALSE); }
   // @cmember Ritorna se e' abilitata la riga <p n>-esima
   bool row_enabled(long n) const;
+  // @cmember Ritorna se e' disabilitata la riga <p n>-esima
+  bool row_disabled(long n) const { return ! row_enabled(n); }
   
   // @cmember Ritorna se esistono elementi attivati nello sheet (TRUE se esitono)
   bool one_checked() const;