diff --git a/.changeset/twenty-islands-protect.md b/.changeset/twenty-islands-protect.md
new file mode 100644
index 0000000000..7d035955e5
--- /dev/null
+++ b/.changeset/twenty-islands-protect.md
@@ -0,0 +1,5 @@
+---
+"@astrojs/markdoc": patch
+---
+
+Fix README instructions for installing Markdoc manually.
diff --git a/packages/integrations/markdoc/README.md b/packages/integrations/markdoc/README.md
index ba107ea75c..76291e763d 100644
--- a/packages/integrations/markdoc/README.md
+++ b/packages/integrations/markdoc/README.md
@@ -306,11 +306,11 @@ You will need to install the `@markdoc/markdoc` package into your project first:
 
 ```sh
 # Using NPM
-npx astro add @markdoc/markdoc
+npm install @markdoc/markdoc
 # Using Yarn
-yarn astro add @markdoc/markdoc
+yarn add @markdoc/markdoc
 # Using PNPM
-pnpm astro add @markdoc/markdoc
+pnpm add @markdoc/markdoc
 ```
 
 Now, you can define Markdoc configuration options using `Markdock.transform()`.