diff --git a/src/zcl_excel_worksheet.clas.abap b/src/zcl_excel_worksheet.clas.abap
index 778fc66..c4a5f81 100644
--- a/src/zcl_excel_worksheet.clas.abap
+++ b/src/zcl_excel_worksheet.clas.abap
@@ -73,7 +73,8 @@ CLASS zcl_excel_worksheet DEFINITION
         col_from TYPE i,
         col_to   TYPE i,
       END OF mty_merge .
-    TYPES: mty_ts_merge TYPE SORTED TABLE OF mty_merge WITH UNIQUE KEY table_line.
+    TYPES:
+        mty_ts_merge TYPE SORTED TABLE OF mty_merge WITH UNIQUE KEY table_line.
 
     TYPES:
       ty_area TYPE c LENGTH 1 .