diff --git a/examples/mostek-3870/documentation/.gitattributes b/examples/mostek-3870/documentation/.gitattributes
new file mode 100644
index 0000000..dc2d148
--- /dev/null
+++ b/examples/mostek-3870/documentation/.gitattributes
@@ -0,0 +1 @@
+1981_3870_F8_Microcomputer_Data_Book.pdf filter=lfs diff=lfs merge=lfs -text