diff --git a/src/views/dialogs/options.ejs b/src/views/dialogs/options.ejs
index 47d0fe2a9..d597e8f18 100644
--- a/src/views/dialogs/options.ejs
+++ b/src/views/dialogs/options.ejs
@@ -147,6 +147,8 @@
                 <div class="form-group">
                   <label for="sync-proxy">Sync proxy server (optional)</label>
                   <input class="form-control" id="sync-proxy" placeholder="https://<host>:<port>">
+
+                  <p><strong>Note:</strong> If you leave proxy setting blank, system proxy will be used (applies to desktop/electron build only)</p>
                 </div>
 
                 <div style="display: flex; justify-content: space-between;">
diff --git a/src/views/setup.ejs b/src/views/setup.ejs
index 4a62c51d9..59ea411f4 100644
--- a/src/views/setup.ejs
+++ b/src/views/setup.ejs
@@ -83,6 +83,8 @@
     <div class="form-group">
       <label for="sync-proxy">Proxy server (optional)</label>
       <input type="text" id="sync-proxy" class="form-control" data-bind="value: syncProxy" placeholder="https://<hostname>:<port>">
+
+      <p><strong>Note:</strong> If you leave proxy setting blank, system proxy will be used (applies to desktop/electron build only)</p>
     </div>
     <div class="form-group">
       <label for="username">Username</label>