diff --git a/tool/dart_skills_lint/README.md b/tool/dart_skills_lint/README.md
index 1d27af89..0cf78675 100644
--- a/tool/dart_skills_lint/README.md
+++ b/tool/dart_skills_lint/README.md
@@ -192,7 +192,8 @@ The linter checks against the criteria defined in `documentation/knowledge/SPECI
 - **Compatibility (`compatibility`)**: Max 500 characters.
 
 ### 4. Content Constraints
-- **Trailing Whitespace**: Lines in `SKILL.md` should not have trailing whitespace. Exactly 2 spaces at the end of a line are allowed to support Markdown hard line breaks, per the [CommonMark Spec](https://spec.commonmark.org/0.30/#hard-line-breaks).
+- **Trailing Whitespace**: Lines in `SKILL.md` should not have trailing whitespace. Exactly 2 spaces at the end of a line are allowed to support Markdown hard line breaks, per the [CommonMark Spec](https://spec.commonmark.org/0.31.2/#hard-line-breaks).
+- **Path Constraints**: Checks that **inline** Markdown links do not use absolute paths to enforce portability. Can optionally be configured to check that relative paths point to valid, existing files (disabled by default). *Note: This rule only supports inline Markdown links and does not detect HTML or reference-style links.*
 
 ## Contributing
 
diff --git a/tool/dart_skills_lint/documentation/knowledge/SPECIFICATION.md b/tool/dart_skills_lint/documentation/knowledge/SPECIFICATION.md
index 189c7744..b48f23cf 100644
--- a/tool/dart_skills_lint/documentation/knowledge/SPECIFICATION.md
+++ b/tool/dart_skills_lint/documentation/knowledge/SPECIFICATION.md
@@ -62,7 +62,8 @@ Validation ensures that a skill directory and its `SKILL.md` file adhere to the
   - Length: Maximum 500 characters.
 
 #### 4.1.4 Content Constraints
-- **Trailing Whitespace**: Lines in `SKILL.md` should not have trailing whitespace. Exactly 2 spaces at the end of a line are allowed to support Markdown hard line breaks, per the [CommonMark Spec](https://spec.commonmark.org/0.30/#hard-line-breaks).
+- **Trailing Whitespace**: Lines in `SKILL.md` should not have trailing whitespace. Exactly 2 spaces at the end of a line are allowed to support Markdown hard line breaks, per the [CommonMark Spec](https://spec.commonmark.org/0.31.2/#hard-line-breaks).
+- **Path Constraints**: **Inline** Markdown links must not use absolute paths to enforce portability. Can optionally be configured to check that relative paths point to valid, existing files (disabled by default). *Note: Validation only applies to inline Markdown links; HTML and reference-style links are not supported.*
 
 ### 5.2 Scripts & Tools
 - Scripts in the `scripts/` directory should be self-documenting and provide clear error messages.