diff --git a/README.md b/README.md
index 8f2fc31..a8c1fdd 100644
--- a/README.md
+++ b/README.md
@@ -1,17 +1,17 @@
+# Readme
+
 ## Requirements
 
 - pdftk
 - ghostscript
+- pandoc
+- pandoc-crossref
+- [python-pantable](https://github.com/ickc/pantable)
 
-### Install:
-
-#### Debian
-```bash
-sudo apt install pdftk gs
-```
+### Install
 
 #### Arch
 
 ```bash
-yay -S pdftk ghostscript
+yay -S pdftk ghostscript pandoc-bin pandoc-crossref-bin python-pantable
 ```
diff --git a/make.sh b/make.sh
index 88ade72..5ef128b 100755
--- a/make.sh
+++ b/make.sh
@@ -11,6 +11,7 @@ pandoc -i "$IN" \
   -o "$OUT" \
   --csl=apa-7th-edition.csl \
   --citeproc \
+  --filter pandoc-crossref \
   --lua-filter=filters/first-line-indent.lua \
   --citation-abbreviations=citation-abbreviations.csl
 
diff --git a/modify-pdf.sh b/modify-pdf.sh
old mode 100755
new mode 100644