diff --git a/_extensions/rostools/r3-theme/includes/reading-website-r.qmd b/_extensions/rostools/r3-theme/includes/reading-website-r.qmd
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+++ b/_extensions/rostools/r3-theme/includes/reading-website-r.qmd
@@ -0,0 +1,19 @@
+We will explain this a bit during the course, but read this to start
+learning how the website is structured and how to read certain things.
+Specifically, there are a few "syntax" type formatting of the text in
+this website to be aware of:
+
+-   Folder names always end with a `/`, for example `data/` means the
+    data folder.
+-   File names always end with their file extension, for example `content.md`
+    means the file is a Markdown file.
+-   R variables are always shown as is. For instance, for the code
+    `x <- 10`, `x` is a variable because it was assigned with 10.
+-   Functions always end with `()`, for instance `mean()` or
+    `read_csv()`.
+-   Sometimes functions have their package name appended with `::` to
+    indicate to run the code from the specific package, since we likely
+    haven't loaded the package with `library()`. For instance, to
+    install packages from GitHub using the `{pak}` package we use
+    `pak::pkg_install("user/packagename")`. You'll learn about this more
+    later.
diff --git a/_extensions/rostools/r3-theme/includes/reading-website.qmd b/_extensions/rostools/r3-theme/includes/reading-website.qmd
new file mode 100644
index 0000000..5b175a0
--- /dev/null
+++ b/_extensions/rostools/r3-theme/includes/reading-website.qmd
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+We will explain this a bit during the lessons, but read this to start
+learning how the website is structured and how to read certain things.
+Specifically, there are a few "syntax" type formatting of the text in
+this website to be aware of:
+
+-   Folder names always end with a `/`, for example `data/` means the
+    data folder.
+-   File names always end with their file extension, for example `content.md`
+    means the file is a Markdown file.