diff --git a/.gitignore b/.gitignore
index fbcb813..dcb152f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,3 +40,5 @@ README.md
 *.synctex(busy)
 *.sen
 *.out
+*.synctex.gz
+*.xdv
\ No newline at end of file
diff --git a/category-theory/sessions/1.tex b/category-theory/sessions/1.tex
index cd87e2b..2b6a983 100644
--- a/category-theory/sessions/1.tex
+++ b/category-theory/sessions/1.tex
@@ -1,2 +1,3 @@
 در این جلسه با مقدّمات نظریهٔ رسته آشنا می‌شویم.
 
+\section{\lr{Basic Category Theory (A Short Course)}}
\ No newline at end of file