diff --git a/common/pcapfileformat.cpp b/common/pcapfileformat.cpp
index a990b41..9a0a03f 100644
--- a/common/pcapfileformat.cpp
+++ b/common/pcapfileformat.cpp
@@ -443,7 +443,7 @@ _retry:
         diffFile.close();
         if (diffFile.size())
         {
-            error.append("There is a diff between the original and imported streams. See details for diff.\n\n\n\n");
+            error.append(tr("<p>There is a diff between the original and imported streams. See details to review the diff.</p><p>Why a diff? See <a href='%1'>possible reasons</a>.</p>\n\n\n\n").arg("https://jump.ostinato.org/pcapdiff"));
             diffFile.open();
             diffFile.seek(0);
             error.append(QString(diffFile.readAll()));