diff --git a/.gitignore b/.gitignore
index 3d12d3f..2ed75c3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,7 +22,7 @@
 # *.pdf
 
 ## Generated if empty string is given at "Please type another file name for output:"
-.pdf
+*.pdf
 
 ## Bibliography auxiliary files (bibtex/biblatex/biber):
 *.bbl
@@ -244,3 +244,5 @@ TSWLatexianTemp*
 
 # generated if using elsarticle.cls
 *.spl
+
+.ipynb_checkpoints/