diff --git a/schemas/v1.1-dev/schema.yaml b/schemas/v1.1-dev/schema.yaml
index 9e78075..c035fb7 100644
--- a/schemas/v1.1-dev/schema.yaml
+++ b/schemas/v1.1-dev/schema.yaml
@@ -31,6 +31,8 @@ $defs:
         type: string
       version:
         type: string
+      description:
+        type: string
     required:
       - title
       - version
diff --git a/tests/v1.1-dev/pass/minimal.yaml b/tests/v1.1-dev/pass/minimal.yaml
index 3e485a4..e29d171 100644
--- a/tests/v1.1-dev/pass/minimal.yaml
+++ b/tests/v1.1-dev/pass/minimal.yaml
@@ -2,5 +2,6 @@ overlay: 1.1.0
 info:
   title: Minimal
   version: 1.0.0
+  description: A minimal valid overlay specification.
 actions:
   - target: '$' # Root of document
diff --git a/versions/1.1.0-dev.md b/versions/1.1.0-dev.md
index 4c109b4..435b3cc 100644
--- a/versions/1.1.0-dev.md
+++ b/versions/1.1.0-dev.md
@@ -102,6 +102,7 @@ The metadata MAY be used by the clients if needed.
 | ---- | :----: | ---- |
 | <a name="info-title"></a>title | `string` | **REQUIRED**. A human readable description of the purpose of the overlay. |
 | <a name="info-version"></a>version | `string` | **REQUIRED**. A version identifier for indicating changes to the Overlay document. |
+| <a name="info-description"></a>description | `string` | A description of the Overlay Document. [[CommonMark]] syntax MAY be used for rich text representation. |
 
 This object MAY be extended with [Specification Extensions](#specification-extensions).