diff --git a/frontend/src/Settings/Profiles/Release/EditReleaseProfileModalContent.js b/frontend/src/Settings/Profiles/Release/EditReleaseProfileModalContent.js
index f2ae65fbe..486a707ff 100644
--- a/frontend/src/Settings/Profiles/Release/EditReleaseProfileModalContent.js
+++ b/frontend/src/Settings/Profiles/Release/EditReleaseProfileModalContent.js
@@ -140,6 +140,7 @@ function EditReleaseProfileModalContent(props) {
               type={inputTypes.INDEXER_SELECT}
               name="indexerId"
               helpText={translate('IndexerIdHelpText')}
+              helpTextWarning={translate('IndexerIdHelpTextWarning')}
               {...indexerId}
               includeAny={true}
               onChange={onInputChange}
diff --git a/src/NzbDrone.Core/Localization/Core/en.json b/src/NzbDrone.Core/Localization/Core/en.json
index 2526c153c..e87df37a5 100644
--- a/src/NzbDrone.Core/Localization/Core/en.json
+++ b/src/NzbDrone.Core/Localization/Core/en.json
@@ -285,6 +285,7 @@
   "IncludeUnmonitored": "Include Unmonitored",
   "Indexer": "Indexer",
   "IndexerIdHelpText": "Specify what indexer the profile applies to",
+  "IndexerIdHelpTextWarning": "Using a specific indexer with preferred words can lead to duplicate releases being grabbed",
   "IndexerIdvalue0IncludeInPreferredWordsRenamingFormat": "Include in {Preferred Words} renaming format",
   "IndexerIdvalue0OnlySupportedWhenIndexerIsSetToAll": "Only supported when Indexer is set to (All)",
   "IndexerPriority": "Indexer Priority",