Update translation.

i18n/en.i18n.json

@@ -24,7 +24,7 @@
     "act-createCard": "created card __card__ to list __list__ at swimlane __swimlane__ at board __board__",
     "act-createCustomField": "created custom field __customField__ at board __board__",
     "act-deleteCustomField": "deleted custom field __customField__ at board __board__",
-    "act-setCustomField": "set custom field __customField__: __customFieldValue__ at card __card__ at list __list__ at swimlane __swimlane__ at board __board__",
+    "act-setCustomField": "edited custom field __customField__: __customFieldValue__ at card __card__ at list __list__ at swimlane __swimlane__ at board __board__",
     "act-createList": "added list __list__ to board __board__",
     "act-addBoardMember": "added member __member__ to board __board__",
     "act-archivedBoard": "Board __board__ moved to Archive",