modify the file name in link

getting-started/modules/ROOT/pages/guide-samples/blocks.adoc

@@ -63,7 +63,7 @@ This document is about the blocks.
  This is a sidebar.
  pass:[****]
 
-|xref:Tables_sample.adoc#tables_sample[Table]
+|xref:tables.adoc#tables[Table]
 |표 형식 콘텐츠를 표시합니다.
 |\|===
  ,===

getting-started/modules/ROOT/pages/guide-samples/links.adoc

@@ -145,13 +145,13 @@ The section <<manual_id,Manual>> describes how manual anchors work.
 === 문서간 상호 참조
 문서 간 상호 참조에 대한 링크 텍스트는 (현재) 필수
 ----
-Refer to xref:Section_sample.adoc#section_A[Section A] for more information.
+Refer to xref:section.adoc#section_A[Section A] for more information.
 ----
 
 * 결과
 +
 ====
-Refer to xref:Section_sample.adoc#section_A[Section A] for more information.
+Refer to xref:section.adoc#section_A[Section A] for more information.
 ====
 
 === 각주