diff --git a/src/zcl_excel_reader_2007.clas.abap b/src/zcl_excel_reader_2007.clas.abap
index 24efbb8..076c885 100644
--- a/src/zcl_excel_reader_2007.clas.abap
+++ b/src/zcl_excel_reader_2007.clas.abap
@@ -1002,27 +1002,27 @@ CLASS zcl_excel_reader_2007 IMPLEMENTATION.
             lv_tag_name = lo_node_si_child->get_name( ).
             IF lv_tag_name = 'r'.
 
-            CLEAR: ls_rtf.
+              CLEAR: ls_rtf.
 
-            " extracting rich text formating data
-            lo_node_r_child_rpr ?= lo_node_si_child->find_from_name_ns( name = 'rPr' uri = namespace-main ).
-            IF lo_node_r_child_rpr IS BOUND.
-              lo_font = load_style_font( lo_node_r_child_rpr ).
-              ls_rtf-font = lo_font->get_structure( ).
-            ENDIF.
-            ls_rtf-offset = lv_current_offset.
-            " extract the <t>...</t> part of each <r>-tag
-            lo_node_r_child_t ?= lo_node_si_child->find_from_name_ns( name = 't' uri = namespace-main ).
-            IF lo_node_r_child_t IS BOUND.
-              lv_node_value = unescape_string_value( lo_node_r_child_t->get_value( ) ).
-              CONCATENATE <ls_shared_string>-value lv_node_value INTO <ls_shared_string>-value RESPECTING BLANKS.
-              ls_rtf-length = strlen( lv_node_value ).
+              " extracting rich text formating data
+              lo_node_r_child_rpr ?= lo_node_si_child->find_from_name_ns( name = 'rPr' uri = namespace-main ).
+              IF lo_node_r_child_rpr IS BOUND.
+                lo_font = load_style_font( lo_node_r_child_rpr ).
+                ls_rtf-font = lo_font->get_structure( ).
+              ENDIF.
+              ls_rtf-offset = lv_current_offset.
+              " extract the <t>...</t> part of each <r>-tag
+              lo_node_r_child_t ?= lo_node_si_child->find_from_name_ns( name = 't' uri = namespace-main ).
+              IF lo_node_r_child_t IS BOUND.
+                lv_node_value = unescape_string_value( lo_node_r_child_t->get_value( ) ).
+                CONCATENATE <ls_shared_string>-value lv_node_value INTO <ls_shared_string>-value RESPECTING BLANKS.
+                ls_rtf-length = strlen( lv_node_value ).
 
-            IF ls_rtf-length > 0.
-            lv_current_offset = strlen( <ls_shared_string>-value ).
-            APPEND ls_rtf TO <ls_shared_string>-rtf.
-            ENDIF.
-            ENDIF.
+                IF ls_rtf-length > 0.
+                  lv_current_offset = strlen( <ls_shared_string>-value ).
+                  APPEND ls_rtf TO <ls_shared_string>-rtf.
+                ENDIF.
+              ENDIF.
             ENDIF.
 
             lo_node_si_child ?= lo_node_si_child->get_next( ).