update README*

Author: katahiromz

README.md

@@ -262,7 +262,7 @@ You have to copy the 64-bit file into another place before loading.
     - Supported REGINST data.
 - v.5.4.9 (2021.01.21)
     - Refresh ID List upon renaming treeview item.
-- v.5.5.0 (2021.XX.YY)
+- v.5.5.0 (2021.01.26)
     - Add Korean translation.
 
 ## Contact Us

README.txt

@@ -254,7 +254,7 @@ Question 6. Are the 64-bit files supported?
     - Supported REGINST data.
 - v.5.4.9 (2021.01.21)
     - Refresh ID List upon renaming treeview item.
-- v.5.5.0 (2021.XX.YY)
+- v.5.5.0 (2021.01.26)
     - Add Korean translation.
 
 /////////////////////////////////////////////////////////////////////

READMEIT.txt

@@ -255,7 +255,7 @@ Domanda 6. I file a 64 bit sono supportati?
     - Supporto dati REGINST.
 - v.5.4.9 (21.01.2021)
     - Aggiornamento ID List dopo aver rinominato l'elemento treeview.
-- v.5.5.0 (YY.XX.2021)
+- v.5.5.0 (26.01.2021)
     - Add Korean translation.
 
 /////////////////////////////////////////////////////////////////////

READMEJP.txt

@@ -597,7 +597,7 @@
         REGINST データをサポート。
     v.5.4.9 (2021.01.21)
         ツリービュー項目の名前の変更時にIDリストの表示を更新。
-    v.5.5.0 (2021.XX.YY)
+    v.5.5.0 (2021.01.26)
         韓国語翻訳を追加。
 
 /////////////////////////////////////////////////////