diff --git a/adev/src/content/cli/help/build-info.json b/adev/src/content/cli/help/build-info.json
index 58faedde78024..7027d8c0fe3a2 100644
--- a/adev/src/content/cli/help/build-info.json
+++ b/adev/src/content/cli/help/build-info.json
@@ -1,4 +1,4 @@
 {
   "branchName": "refs/heads/main",
-  "sha": "3513cd179d428e6c8d6529f1010dac65282a8a44"
+  "sha": "68b183ea5aeefa555ca0f7c25955d3d759acb5f7"
 }
\ No newline at end of file
diff --git a/adev/src/content/cli/help/build.json b/adev/src/content/cli/help/build.json
index b994d22df381a..631aa537c6be3 100644
--- a/adev/src/content/cli/help/build.json
+++ b/adev/src/content/cli/help/build.json
@@ -61,6 +61,16 @@
       ],
       "description": "Define the crossorigin attribute setting of elements that provide CORS support."
     },
+    {
+      "name": "define",
+      "type": "array",
+      "description": "Defines global identifiers that will be replaced with a specified constant value when found in any JavaScript or TypeScript code including libraries. The value will be used directly. String values must be put in quotes. Identifiers within Angular metadata such as Component Decorators will not be replaced."
+    },
+    {
+      "name": "define",
+      "type": "string",
+      "description": "Defines global identifiers that will be replaced with a specified constant value when found in any JavaScript or TypeScript code including libraries. The value will be used directly. String values must be put in quotes. Identifiers within Angular metadata such as Component Decorators will not be replaced."
+    },
     {
       "name": "delete-output-path",
       "type": "boolean",
diff --git a/adev/src/content/cli/help/serve.json b/adev/src/content/cli/help/serve.json
index 14b5774994387..24a4573891f2d 100644
--- a/adev/src/content/cli/help/serve.json
+++ b/adev/src/content/cli/help/serve.json
@@ -38,6 +38,16 @@
       "default": false,
       "description": "Force the development server to use the 'browser-esbuild' builder when building. This is a developer preview option for the esbuild-based build system."
     },
+    {
+      "name": "headers",
+      "type": "array",
+      "description": "Custom HTTP headers to be added to all responses."
+    },
+    {
+      "name": "headers",
+      "type": "string",
+      "description": "Custom HTTP headers to be added to all responses."
+    },
     {
       "name": "help",
       "type": "boolean",