diff --git a/README.md b/README.md
index 20e3127..1b3c90c 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![npm version](https://badge.fury.io/js/pgstrap.svg)](https://badge.fury.io/js/pgstrap)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 
-pgstrap allows you to easily run typescript migrations or generate a directory that represents your database schemas with `table.sql` files. Run `pgstrap generate` to generate a directory with the structure of your postgres database schemas!
+pgstrap allows you to easily run typescript migrations or generate a directory that represents your database schemas with `table.sql` files. Run `pgstrap generate` to generate a directory with the structure of your database schemas using an in-memory PGlite database by default.
 
 ## Features
 
@@ -55,7 +55,7 @@ npm install pgstrap --save-dev
 
 - `npm run db:migrate` - Run pending migrations
 - `npm run db:reset` - Drop and recreate the database, then run all migrations
-- `npm run db:generate` - Generate types and structure dumps. Use `pgstrap generate --pglite` to run migrations against an in-memory PGlite instance.
+- `npm run db:generate` - Generate types and structure dumps by running migrations against an in-memory PGlite instance. Use `pgstrap generate --no-pglite` to generate from a running Postgres database.
 - `npm run db:create-migration` - Create a new migration file
 
 ### Configuration
diff --git a/src/cli.ts b/src/cli.ts
index 9a9bdec..7c11717 100644
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -35,10 +35,15 @@ import { getProjectContext } from "./get-project-context"
     "generate",
     "generate types and sql documentation from database",
     (yargs) => {
-      yargs.option("pglite", { type: "boolean", default: false })
+      yargs.option("pglite", {
+        type: "boolean",
+        default: true,
+        describe:
+          "run migrations against an in-memory PGlite database before generating types",
+      })
     },
     async (argv) => {
-      generate({ ...(await getProjectContext()), pglite: !!argv.pglite })
+      generate({ ...(await getProjectContext()), pglite: argv.pglite !== false })
     },
   )
   .parse()