diff --git a/morserino-abbr.html b/morserino-abbr.html
index c41b501..b4afb30 100644
--- a/morserino-abbr.html
+++ b/morserino-abbr.html
@@ -32,7 +32,7 @@ dt, dd {
 
 		const url_blob = "https://github.com/oe1wkl/Morserino-32/blob/master/Documentation/User Manual/Version 6.x/m32_user-Manual_v6_de.adoc";
 		const appendix_match = new RegExp("\[\[appendix7\]\]");
-		const column_match = new RegExp("::[\s\t]+");
+		const column_match = new RegExp(/::\s+/);
 		const url_raw = url_blob.replace("github.com", "raw.githubusercontent.com").replace("/blob/", "/")
 
 		document.getElementById("abbr_url").innerText = url_blob;