diff --git a/README.md b/README.md
index e7fadb31..bf21ba00 100644
--- a/README.md
+++ b/README.md
@@ -332,7 +332,7 @@ Options that take no arguments can be negated by prefixing them with `--no-`, e.
   </tr>
   <tr>
     <td>--root</td>
-    <td>Runs updates on the root project in addition to specified workspaces. Only allowed with <code>--workspace</code> or <code>--workspaces</code>. (default: false)</td>
+    <td>Runs updates on the root project in addition to specified workspaces. Only allowed with <code>--workspace</code> or <code>--workspaces</code>. (default: true) (default: true)</td>
   </tr>
   <tr>
     <td>-s, --silent</td>
diff --git a/src/types/RunOptions.json b/src/types/RunOptions.json
index f35cf1d9..a3af598e 100644
--- a/src/types/RunOptions.json
+++ b/src/types/RunOptions.json
@@ -314,7 +314,7 @@
       "type": "boolean"
     },
     "groupFunction": {
-      "description": "Supported function for the --group options.",
+      "description": "Customize how packages are divided into groups when using `--format group`. Run \"ncu --help --groupFunction\" for details.",
       "type": "object"
     },
     "install": {
@@ -459,7 +459,8 @@
       "type": "number"
     },
     "root": {
-      "description": "Runs updates on the root project in addition to specified workspaces. Only allowed with `--workspace` or `--workspaces`. (default: false)",
+      "default": true,
+      "description": "Runs updates on the root project in addition to specified workspaces. Only allowed with `--workspace` or `--workspaces`. (default: true)",
       "type": "boolean"
     },
     "silent": {
diff --git a/src/types/RunOptions.ts b/src/types/RunOptions.ts
index 2853fbc5..ac35d873 100644
--- a/src/types/RunOptions.ts
+++ b/src/types/RunOptions.ts
@@ -160,7 +160,10 @@ export interface RunOptions {
    */
   retry?: number
 
-  /** Runs updates on the root project in addition to specified workspaces. Only allowed with `--workspace` or `--workspaces`. (default: false) */
+  /** Runs updates on the root project in addition to specified workspaces. Only allowed with `--workspace` or `--workspaces`. (default: true)
+   *
+   * @default true
+   */
   root?: boolean
 
   /** Don't output anything. Alias for `--loglevel` silent. */