diff --git a/Makefile b/Makefile
index 96930d4..8e2773e 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,10 @@ markdown: dst dst/index.html dst/style.css
 
 server: dst dst/style.css dst/index.md dst/sitemap.xml
 
+# CDL: this is where the bibliography @ citations are transformed, I believe, to things like (Someone 2024)
+# also, requires a newer version of pandoc, in order to use --citeproc
+# https://pandoc.org/releases.html#pandoc-2.11-2020-10-11 or greater,
+# which means that on Ubuntu you may need to go directly to the source repo and download/install the .deb
 dst/index.html: dst/index.md src/references.bib src/template/index.html dst/style.css
 	pandoc dst/index.md --template src/template/index.html -s --table-of-contents --bibliography=src/references.bib --citeproc --columns 1000 -H src/header.html -V lang=en -o $@
 
diff --git a/README.md b/README.md
index cbea270..9b37bc7 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,8 @@ The hosted github page is automatically built on push to master.
 
 To build the page locally, run `make`.
 
-Make sure you have [pandoc](https://pandoc.org/) installed.
+Make sure you have [pandoc](https://pandoc.org/) installed. 
+If you see "unknown option: --citeproc", you may need to install [the latest version directly](https://github.com/jgm/pandoc/releases/latest) rather than with `apt`.
 
 ## Development
 To continuously build the page locally, listening to changes, run:
diff --git a/src/markdown_fix.sh b/src/markdown_fix.sh
index cdd7163..26266d8 100644
--- a/src/markdown_fix.sh
+++ b/src/markdown_fix.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if type gsed >/dev/null
+if which gsed >/dev/null
 then
   echo "Using gsed"
   function ssed { gsed "$@" ;}