diff --git a/.gitignore b/.gitignore
index a862c23..5088f25 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,4 +6,4 @@ xcuserdata/
 .swiftpm/
 Arena-Playground/
 ArenaIntegrationTest/
-misc/Arena Demo 1.0.0.mov
+misc/ignored/
diff --git a/README.md b/README.md
index 07c85cc..be954ba 100644
--- a/README.md
+++ b/README.md
@@ -115,6 +115,14 @@ In case you want to fetch a particular revision, range of revisions, or branch,
 
 Make sure to properly quote the URL if you are using the `..<` range operator. Otherwise your shell will interpret the `<` character as input redirection.
 
+## Adding another dependency
+
+Arena does not currently support adding further depenencies to an existing playground. However, since its dependencies are managed via the `Dependencies` package, so can simply add further entries to its `Package.swift` file - just like you would when extending any other package manifest.
+
+Here's what this looks like:
+
+![Adding a dependency](misc/Arena-add-dependency.gif)
+
 ## How to install Arena
 
 ### Homebrew
diff --git a/misc/Arena-add-dependency.gif b/misc/Arena-add-dependency.gif
new file mode 100644
index 0000000..ee7e880
Binary files /dev/null and b/misc/Arena-add-dependency.gif differ