diff --git a/20-appendix-a.Rmd b/20-appendix-a.Rmd
index 6806ef4836bbc426d35a147570e016640f39355a..37cdd2ef182e482c8d4e25d4ee229a4f46e1057e 100644
--- a/20-appendix-a.Rmd
+++ b/20-appendix-a.Rmd
@@ -1,3 +1,3 @@
-# Appendix A {-}
+# Title of appendix
 
 First appendix
diff --git a/21-appendix-b.Rmd b/21-appendix-b.Rmd
index 4ad2e3ae8e07adfd7763c33be6601c46b185ec67..bcd2617d894e95a69211f8e5f139d47babb9424e 100644
--- a/21-appendix-b.Rmd
+++ b/21-appendix-b.Rmd
@@ -1,3 +1,3 @@
-# Appendix B {-}
+# Title of appendix
 
 Second appendix 
\ No newline at end of file
diff --git a/_book/thesis-dissertaion.pdf b/_book/thesis-dissertaion.pdf
index 4ca4ab495318f217ae9b4f9b1c4d43dd56391c69..e087c4fa77031ddc17ebafda6f3ddb7b31ea29f3 100644
Binary files a/_book/thesis-dissertaion.pdf and b/_book/thesis-dissertaion.pdf differ
diff --git a/_bookdown.yml b/_bookdown.yml
index 6603751c321330fc9517b52d88ff10ffeddc57a5..483dac84112904096ba86407d28ef2747fd21059 100644
--- a/_bookdown.yml
+++ b/_bookdown.yml
@@ -6,3 +6,4 @@ language:
     chapter_name: "Chapter "
     
 
+# "20-appendix-a.Rmd","21-appendix-b.Rmd",
\ No newline at end of file
diff --git a/appendix.Rmd b/appendix.Rmd
index a78e378ced9cc6f2234c343e9bfc82c0455f8678..196495cb1fb336cde3659b8af680fb85b3065eee 100644
--- a/appendix.Rmd
+++ b/appendix.Rmd
@@ -1 +1,3 @@
-# (APPENDIX) Appendix {-}
\ No newline at end of file
+# (APPENDIX) Appendix {-}
+\addappheadtotoc
+