Fix typo

Change-Id: I8dc9d97b384a2686f7513499e3ee5819a1b05fe8
Reviewed-on: https://gerrit.libreoffice.org/68482
Tested-by: Jenkins
Reviewed-by: Jens Carl <j.carl43@gmx.de>
diff --git a/sd/qa/unit/export-tests.cxx b/sd/qa/unit/export-tests.cxx
index d7fa712..9e6ef55 100644
--- a/sd/qa/unit/export-tests.cxx
+++ b/sd/qa/unit/export-tests.cxx
@@ -1171,7 +1171,7 @@ void SdExportTest::testTdf123557()
    xDocShRef = saveAndReload(xDocShRef.get(), ODP, &tempFile);
    xmlDocPtr pXmlDoc = parseExport(tempFile, "content.xml");

    // Contians 2 interactive sequence and 3 triggered effects.
    // Contains 2 interactive sequence and 3 triggered effects.
    assertXPath(pXmlDoc, "//draw:page", 1);
    assertXPath(pXmlDoc, "//draw:page/anim:par", 1);
    assertXPath(pXmlDoc, "//draw:page"