Add translated label and minor editoral update

Author: amarantha-k

@l10n/ja/translations.yaml

@@ -74,7 +74,7 @@ topnav.resources.explorer: エクスプローラ
 topnav.resources.known-amendments: 既知のAmendment
 topnav.resources.contribute-code: コードへの貢献
 topnav.resources.contribute-documentation: ドキュメントへの貢献
-# topnav.resources.contribute-blog: <TO DO> #
+topnav.resources.contribute-blog: ブログに投稿する
 topnav.community.title: コミュニティ
 topnav.community.description: 話題に加わろう。
 topnav.community.get-involved: 参加する

resources/contribute-blog/index.md

@@ -18,7 +18,7 @@ The source files are located in the `blog` directory of the public `xrpl-dev-por
 
 The image files used in blog posts are located in the `blog/img` directory.
 
-The blog posts are grouped by year, so all blog posts published in year 2025 will be located in the `blog/2025` directory. 
+The blog posts are grouped by year, so all blog posts published in year 2025 are located in the `blog/2025` directory. 
 
 ## Steps to Create a New Blog Post