diff --git a/compile.sh b/compile.sh
index 5f9d33e..b466acf 100755
--- a/compile.sh
+++ b/compile.sh
@@ -1,3 +1,4 @@
+#/bin/bash
 pdflatex -interaction errorstopmode -halt-on-error main.tex # Generate table of contents (ToC)
 bibtex main.aux # Build bibliography
 pdflatex -interaction errorstopmode -halt-on-error main.tex # Generate ToC page indices taking account the new ToC file
diff --git a/flushcache.sh b/flushcache.sh
index c809c43..9b66ff9 100755
--- a/flushcache.sh
+++ b/flushcache.sh
@@ -1 +1,2 @@
+#/bin/bash
 rm -f */*.aux *.aux *.lof *.log *.lot *.toc *.tps *.out *.fdb_latexmk *.fls *.bbl *.blg
diff --git a/main.pdf b/main.pdf
index c18eb85..4a8dd22 100644
Binary files a/main.pdf and b/main.pdf differ