clarify the "we're confused" debug message

diff --git a/includes/OutputPage.php b/includes/OutputPage.php
index ca05ee4..641d377 100644 (file)
--- a/includes/OutputPage.php
+++ b/includes/OutputPage.php
@@ -119,7 +119,7 @@ class OutputPage {
                                $this->mLastModified = $lastmod;
                        }
                } else {
-                       wfDebug( "We're confused.\n", false );
+                       wfDebug( "client did not send If-Modified-Since header\n", false );
                        $this->mLastModified = $lastmod;
                }
        }