diff --git a/Documentation/Release-Notes.html b/Documentation/Release-Notes.html
index 1ec48f0d..359c2f7b 100644
--- a/Documentation/Release-Notes.html
+++ b/Documentation/Release-Notes.html
@@ -16,7 +16,8 @@
       <li>Qt 6.5.3 LTS on Android.</li>
       <li>Qt 6.5.3 LTS on Windows</li>
       <li>Qt 6.6.0 on MacOS via Homebrew.</li>
-      <li>Query history. Please see Tools. <b>GitHub ticket #340.</b></li>
+      <li>Query history. Please see Tools. Query strings may be incomplete
+	and are therefore not executable. <b>GitHub ticket #340.</b></li>
       <li>Set Alternate Identifier and URL to the 003 field after a
 	Z39.50 Unimarc query if Alternate Identifier is empty.
 	<b>GitHub discussion #339.</b></li>
diff --git a/UI/biblioteq_query_history.ui b/UI/biblioteq_query_history.ui
index 2da4d068..d61d36ba 100644
--- a/UI/biblioteq_query_history.ui
+++ b/UI/biblioteq_query_history.ui
@@ -22,6 +22,16 @@
     <item>
      <widget class="QFrame" name="frame">
       <layout class="QVBoxLayout">
+       <item>
+        <widget class="QLabel" name="label">
+         <property name="text">
+          <string>Query strings may be incomplete and are therefore not executable.</string>
+         </property>
+         <property name="wordWrap">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
        <item>
         <widget class="QTableWidget" name="table">
          <property name="focusPolicy">