diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 28b1704e38..a88d3aafb9 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1303,7 +1303,7 @@
         To search the server too, tap the \'search again\' button.
     </string>
     <string name="title_search_index_hint">
-        Searching via the search index is fast, but only finds whole words.
+        Searching via the search index is fast, but only finds whole words in all message parts.
         The options below are to continue searching the email server.
     </string>
     <string name="title_search_text_hint">Searching for text in messages, when there are a large number of messages, might not work on some servers</string>