diff --git a/articles/Cross-correlation - Wikipedia/Cross-correlation - Wikipedia.xopp.xml b/articles/Cross-correlation - Wikipedia/Cross-correlation - Wikipedia.xopp.xml
index 53c49fb..03ee847 100644
--- a/articles/Cross-correlation - Wikipedia/Cross-correlation - Wikipedia.xopp.xml	
+++ b/articles/Cross-correlation - Wikipedia/Cross-correlation - Wikipedia.xopp.xml	
@@ -44,11 +44,27 @@
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