diff --git a/common/locales/en/challenge.json b/common/locales/en/challenge.json
index c014e1f6db..a95ed03189 100644
--- a/common/locales/en/challenge.json
+++ b/common/locales/en/challenge.json
@@ -70,7 +70,7 @@
     "cantAfford": "You can't afford this prize. Purchase more gems or lower the prize amount.",
     "challengeIdRequired": "\"challengeId\" must be a valid UUID.",
     "winnerIdRequired": "\"winnerId\" must be a valid UUID.",
-    "challengeNotFound": "Challenge not found.",
+    "challengeNotFound": "Challenge not found or you don't have access.",
     "onlyLeaderDeleteChal": "Only the challenge leader can delete it.",
     "onlyLeaderUpdateChal": "Only the challenge leader can update it.",
     "winnerNotFound": "Winner with id \"<%= userId %>\" not found or not part of the challenge.",
diff --git a/common/locales/en/groups.json b/common/locales/en/groups.json
index b3eeaa54b8..76d43c2456 100644
--- a/common/locales/en/groups.json
+++ b/common/locales/en/groups.json
@@ -163,7 +163,7 @@
     "partyUpAchievement": "Joined a Party with another person! Have fun battling monsters and supporting each other.",
     "partyOnAchievement": "Joined a Party with at least four people! Enjoy your increased accountability as you unite with your friends to vanquish your foes!",
     "groupIdRequired": "\"groupId\" must be a valid UUID",
-    "groupNotFound": "Group not found.",
+    "groupNotFound": "Group not found or you don't have access.",
     "groupTypesRequired": "You must supply a valid \"type\" query string.",
     "questLeaderCannotLeaveGroup": "You cannot leave your party when you have started a quest. Abort the quest first.",
     "cannotLeaveWhileActiveQuest": "You cannot leave party during an active quest. Please leave the quest first.",