diff --git a/.~lock.Tutorial.xlsx# b/.~lock.Tutorial.xlsx#
deleted file mode 100644
index 1ed1399..0000000
--- a/.~lock.Tutorial.xlsx#
+++ /dev/null
@@ -1 +0,0 @@
-,chjunchi,chjunchi-U45JC,28.05.2019 12:37,file:///home/chjunchi/snap/libreoffice/120/.config/libreoffice/4;
\ No newline at end of file
diff --git a/Tutorial.xlsx b/Tutorial.xlsx
index baacb09..f2769ab 100644
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