diff --git a/components/fpspreadsheet/examples/other/conditional_formatting/demo_conditional_formatting.pas b/components/fpspreadsheet/examples/other/conditional_formatting/demo_conditional_formatting.pas
index bfea8f1d9..4332943b3 100644
--- a/components/fpspreadsheet/examples/other/conditional_formatting/demo_conditional_formatting.pas
+++ b/components/fpspreadsheet/examples/other/conditional_formatting/demo_conditional_formatting.pas
@@ -183,7 +183,7 @@ begin
     fmt.SetBackgroundColor($FFC0C0);
     fmtIdx := wb.AddCellFormat(fmt);
     sh.WriteConditionalCellFormat(Range(row, 2, row, lastCol), cfcBottomPercent, 10, fmtIdx);
-                                         (*
+
     // conditional format #6: duplicates
     inc(row);
     sh.WriteText(row, 0, 'duplicate values');
@@ -199,7 +199,7 @@ begin
     fmt.SetBackgroundColor($D0D0FF);
     fmtIdx := wb.AddCellFormat(fmt);
     sh.WriteConditionalCellFormat(Range(row, 2, row, lastCol), cfcUnique, fmtIdx);
-                                   *)
+
     // conditional format #6: contains any text
     inc(row);
     sh.WriteText(row, 0, 'contains any text');
@@ -247,7 +247,7 @@ begin
     fmt.SetBackgroundColor(scRed);
     fmtIdx := wb.AddCellFormat(fmt);
     sh.WriteConditionalCellFormat(Range(row, 2, row, lastCol), cfcNotContainsText, 'ef', fmtIdx);
-                                        (*
+
     // conditional format #6: contains error
     inc(row);
     sh.WriteText(row, 0, 'contains error');
@@ -263,7 +263,6 @@ begin
     fmt.SetBackgroundColor(scRed);
     fmtIdx := wb.AddCellFormat(fmt);
     sh.WriteConditionalCellFormat(Range(row, 2, row, lastCol), cfcNotContainsErrors, fmtIdx);
-                      *)
 
     WriteLn('row = ', row);
     WriteLn('wb.GetNumcellFormats = ', wb.GetNumCellFormats);
diff --git a/components/fpspreadsheet/source/common/fpsopendocument.pas b/components/fpspreadsheet/source/common/fpsopendocument.pas
index fd263ffe4..53f5b75a5 100644
--- a/components/fpspreadsheet/source/common/fpsopendocument.pas
+++ b/components/fpspreadsheet/source/common/fpsopendocument.pas
@@ -404,10 +404,10 @@ const
     'above-equal-average', 'below-equal-average', // cfcAboveEqualAverage, cfcBelowEqualAverage
     'top-elements(%s)', 'bottom-elements(%s)',    // cfcTop, cfcBottom,
     'top-percent(%s)', 'bottom-percent(%s)',      // cfcTopPercent, cfcBottomPercent,
-    '', '',          // cfcDuplicate, cfcUnique,
+    'duplicate', 'unique',                        // cfcDuplicate, cfcUnique,
     'begins-with(%s)', 'ends-with(%s)',           // cfcBeginsWith, cfcEndsWith,
     'contains-text(%s)', 'not-contains-text(%s)', // cfcContainsText, cfcNotContainsText,
-    '', ''           // cfcContainsErrors, cfcNotContainsErrors
+    'is-error', 'is-no-error'                     // cfcContainsErrors, cfcNotContainsErrors
   );