diff --git a/i18n/ja-JP.properties b/i18n/ja-JP.properties
index 8887eb236e..6d819df229 100644
--- a/i18n/ja-JP.properties
+++ b/i18n/ja-JP.properties
@@ -845,11 +845,11 @@ be.uploadsRetryButtonTooltip = アップロードを再試行します。
 # Error message shown when account storage limit has been reached
 be.uploadsStorageLimitErrorMessage = アカウントのストレージサイズの上限に達しました。
 # Message displayed in the activity feed to represent the range of versions actioned by a single user. {name} is the user who did the action. {actionMessage} is the action. {versions} is a range of versions.
-be.versionCollapsed = {name} {actionMessage} v{versions}
+be.versionCollapsed = {name}が{actionMessage} (v{versions})を実行
 # Message displayed in the activity feed for a deleted version. {name} is the user who performed the action. {version_number} is the file version string.
 be.versionDeleted = {name}がv{version_number}を削除しました
 # Message displayed in the activity feed to represent the range of versions actioned by multiple users. {numberOfCollaborators} is a number. {actionMessage} is the action. {versions} is a range of versions.
-be.versionMultipleUsersCollapsed = {numberOfCollaborators} collaborators {actionMessage} v{versions}
+be.versionMultipleUsersCollapsed = {numberOfCollaborators}コラボレータが{actionMessage} (v{versions})を実行
 # Message displayed in the activity feed to represent the range of versions uploaded by multiple users. {numberOfCollaborators} is a number and {versions} is a range of versions.
 be.versionMultipleUsersUploaded = {numberOfCollaborators}人のコラボレータがv{versions}をアップロードしました
 # Message displayed in the activity feed for a promoted version. {name} is the user who performed the action. {version_promoted} is the originating file version string. {version_number} is the file version string.