diff --git a/packages/documentation/copy/en/project-config/Compiler Options.md b/packages/documentation/copy/en/project-config/Compiler Options.md
index 852e58f8f265..ef205695393a 100644
--- a/packages/documentation/copy/en/project-config/Compiler Options.md	
+++ b/packages/documentation/copy/en/project-config/Compiler Options.md	
@@ -846,7 +846,7 @@ tsc app.ts util.ts --target esnext --outfile index.js
   <td><code><a href='/tsconfig/#module'>--module</a></code></td>
   <td><p><code>none</code>, <code>commonjs</code>, <code>amd</code>, <code>umd</code>, <code>system</code>, <code>es6</code>/<code>es2015</code>, <code>es2020</code>, <code>es2022</code>, <code>esnext</code>, <code>node16</code>, <code>node18</code>, <code>nodenext</code>, or <code>preserve</code></p>
 </td>
-  <td><p><code>CommonJS</code> if <a href="#target"><code>target</code></a> is <code>ES5</code>; <code>ES6</code>/<code>ES2015</code> otherwise.</p>
+  <td><p><code>commonJS</code> if <a href="#target"><code>target</code></a> is <code>es5</code>; <code>es6</code>/<code>es2015</code> otherwise.</p>
 </td>
 </tr>
 <tr class="option-description even"><td colspan="3">
@@ -868,7 +868,7 @@ tsc app.ts util.ts --target esnext --outfile index.js
   <td><code><a href='/tsconfig/#moduleResolution'>--moduleResolution</a></code></td>
   <td><p><code>classic</code>, <code>node10</code>/<code>node</code>, <code>node16</code>, <code>nodenext</code>, or <code>bundler</code></p>
 </td>
-  <td><p><code>Node10</code> if <a href="#module"><code>module</code></a> is <code>CommonJS</code>; <code>Node16</code> if <a href="#module"><code>module</code></a> is <code>Node16</code> or <code>Node18</code>; <code>NodeNext</code> if <a href="#module"><code>module</code></a> is <code>NodeNext</code>; <code>Bundler</code> if <a href="#module"><code>module</code></a> is <code>Preserve</code>; <code>Classic</code> otherwise.</p>
+  <td><p><code>node10</code> if <a href="#module"><code>module</code></a> is <code>commonjs</code>; <code>node16</code> if <a href="#module"><code>module</code></a> is <code>node16</code> or <code>node18</code>; <code>nodenext</code> if <a href="#module"><code>module</code></a> is <code>nodenext</code>; <code>bundler</code> if <a href="#module"><code>module</code></a> is <code>preserve</code>; <code>classic</code> otherwise.</p>
 </td>
 </tr>
 <tr class="option-description even"><td colspan="3">
@@ -1462,7 +1462,7 @@ tsc app.ts util.ts --target esnext --outfile index.js
   <td><code><a href='/tsconfig/#target'>--target</a></code></td>
   <td><p><code>es3</code>, <code>es5</code>, <code>es6</code>/<code>es2015</code>, <code>es2016</code>, <code>es2017</code>, <code>es2018</code>, <code>es2019</code>, <code>es2020</code>, <code>es2021</code>, <code>es2022</code>, <code>es2023</code>, <code>es2024</code>, or <code>esnext</code></p>
 </td>
-  <td><p><code>ES5</code></p>
+  <td><p><code>es5</code></p>
 </td>
 </tr>
 <tr class="option-description even"><td colspan="3">
@@ -1517,7 +1517,7 @@ tsc app.ts util.ts --target esnext --outfile index.js
   <td><code><a href='/tsconfig/#useDefineForClassFields'>--useDefineForClassFields</a></code></td>
   <td><p><code>boolean</code></p>
 </td>
-  <td><p><code>true</code> if <a href="#target"><code>target</code></a> is <code>ES2022</code> or higher, including <code>ESNext</code>; <code>false</code> otherwise.</p>
+  <td><p><code>true</code> if <a href="#target"><code>target</code></a> is <code>es2022</code> or higher, including <code>esnext</code>; <code>false</code> otherwise.</p>
 </td>
 </tr>
 <tr class="option-description odd"><td colspan="3">
diff --git a/packages/tsconfig-reference/scripts/tsconfigRules.ts b/packages/tsconfig-reference/scripts/tsconfigRules.ts
index 2783b481e4ad..22a5d2ec8e38 100644
--- a/packages/tsconfig-reference/scripts/tsconfigRules.ts
+++ b/packages/tsconfig-reference/scripts/tsconfigRules.ts
@@ -234,15 +234,15 @@ export const defaultsForOptions = {
   jsxFactory: "React.createElement",
   locale: "Platform specific.",
   module: [
-    "`CommonJS` if [`target`](#target) is `ES5`;",
-    "`ES6`/`ES2015` otherwise.",
+    "`commonJS` if [`target`](#target) is `es5`;",
+    "`es6`/`es2015` otherwise.",
   ],
   moduleResolution: [
-    "`Node10` if [`module`](#module) is `CommonJS`;",
-    "`Node16` if [`module`](#module) is `Node16` or `Node18`;",
-    "`NodeNext` if [`module`](#module) is `NodeNext`;",
-    "`Bundler` if [`module`](#module) is `Preserve`;",
-    "`Classic` otherwise.",
+    "`node10` if [`module`](#module) is `commonjs`;",
+    "`node16` if [`module`](#module) is `node16` or `node18`;",
+    "`nodenext` if [`module`](#module) is `nodenext`;",
+    "`bundler` if [`module`](#module) is `preserve`;",
+    "`classic` otherwise.",
   ],
   newLine: "`lf`",
   noImplicitAny: trueIf("strict"),
@@ -265,9 +265,9 @@ export const defaultsForOptions = {
   useUnknownInCatchVariables: trueIf("strict"),
   strictPropertyInitialization: trueIf("strict"),
   strictNullChecks: trueIf("strict"),
-  target: "ES5",
+  target: "es5",
   useDefineForClassFields: [
-    "`true` if [`target`](#target) is `ES2022` or higher, including `ESNext`;",
+    "`true` if [`target`](#target) is `es2022` or higher, including `esnext`;",
     "`false` otherwise.",
   ],
   allowImportingTsExtensions: trueIf("rewriteRelativeImportExtensions"),