diff --git a/.gitignore b/.gitignore
index 457d77a..8941296 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ __pycache__
 *.pyc
 short.pdf
 13*
+Kalman_and_Bayesian_Filters_in_Python.pdf
\ No newline at end of file