diff --git a/08-making-packages-R.md b/08-making-packages-R.md
index 3a5e50f5..92768add 100644
--- a/08-making-packages-R.md
+++ b/08-making-packages-R.md
@@ -27,19 +27,23 @@ Why should you make your own R packages?
 An R package is the **basic unit of reusable code**.
 If you want to reuse code later or want others to be able to use your code, you should put it in a package.
 
-An R package requires four components:
+An R package requires four components, visualized in the folder tree below:
 
-- a DESCRIPTION file with metadata about the package
-- an R directory with the code
-- a man directory with documentation (we will create this automatically)
-- a NAMESPACE file listing user-level functions in the package (we will also create this automatically)
+```
+package_name/
+├── DESCRIPTION              # metadata about the package
+├── man/                     # function documentation (can be generated automatically)
+├── NAMESPACE                # list of user-level functions in the package (can be generated automatically)
+├── R/                       # R source code
+└── <other_components>
+```
 
 *There are other optional components. [rOpenSci community][r-open-sci] has written a science-focused guidebook for package development, while [the "R packages" book][r-pkgs-desc] contains all the fundamental information.*
 
 ### DESCRIPTION file
 
 ```source
-Package: Package name
+Package: package_name
 Title: Brief package description
 Description: Longer package description
 Version: Version number(major.minor.patch)
diff --git a/md5sum.txt b/md5sum.txt
index afb2ec4f..d73e3a24 100644
--- a/md5sum.txt
+++ b/md5sum.txt
@@ -10,7 +10,7 @@
 "episodes/05-cmdline.Rmd" "d2f27f7392a654d640a7f9618355c039" "site/built/05-cmdline.md" "2024-06-07"
 "episodes/06-best-practices-R.Rmd" "2c92bd77684a9dcee63365cc4b7f6724" "site/built/06-best-practices-R.md" "2024-06-07"
 "episodes/07-knitr-R.Rmd" "9d72817e62024160b5b0c6a1353f236f" "site/built/07-knitr-R.md" "2024-06-04"
-"episodes/08-making-packages-R.Rmd" "0086e377d3662a0ae4556dc518f7ff0a" "site/built/08-making-packages-R.md" "2024-06-04"
+"episodes/08-making-packages-R.Rmd" "5e25040cf181e94adec7343547de92f6" "site/built/08-making-packages-R.md" "2024-06-21"
 "episodes/09-supp-intro-rstudio.Rmd" "83d1c7a48311042da41fbf464b5ea880" "site/built/09-supp-intro-rstudio.md" "2024-06-04"
 "episodes/10-supp-addressing-data.Rmd" "8ff2167d4fcf1223de2395ce28f5ea59" "site/built/10-supp-addressing-data.md" "2024-06-07"
 "episodes/11-supp-read-write-csv.Rmd" "a05e1a0dd3577863b3a99e65ccde4acc" "site/built/11-supp-read-write-csv.md" "2024-06-07"