diff --git a/README.md b/README.md
index c75682a..5154bad 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ pairing with smart people at Hashrocket.
 
 For a steady stream of TILs, [sign up for my newsletter](https://crafty-builder-6996.ck.page/e169c61186).
 
-_1248 TILs and counting..._
+_1249 TILs and counting..._
 
 ---
 
@@ -557,6 +557,7 @@ _1248 TILs and counting..._
 ### pnpm
 
 - [Execute A Command From The Workspace Root](pnpm/execute-a-command-from-the-workspace-root.md)
+- [Install Command Runs For Entire Workspace](pnpm/install-command-runs-for-entire-workspace.md)
 
 ### PostgreSQL
 
diff --git a/pnpm/install-command-runs-for-entire-workspace.md b/pnpm/install-command-runs-for-entire-workspace.md
new file mode 100644
index 0000000..8368ded
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+++ b/pnpm/install-command-runs-for-entire-workspace.md
@@ -0,0 +1,13 @@
+# Install Command Runs For Entire Workspace
+
+When you run [`pnpm install`](https://pnpm.io/cli/install) in a monorepo, it
+will run from the context of the workspace root. That means it will install
+dependencies for your entire monorepo across apps and packages.
+
+Even if you are in a subdirectory for a specific project with its own
+`package.json`, running `pnpm install` will install dependencies for the entire
+workspace.
+
+If you want to install dependencies only for a specific project or a subset of
+projects, you can use [the `--filter`
+flag](https://pnpm.io/cli/install#--filter-package_selector).