diff --git a/src/rules/dtHeaderRule.ts b/src/rules/dtHeaderRule.ts
index 82d306ee..9651895c 100644
--- a/src/rules/dtHeaderRule.ts
+++ b/src/rules/dtHeaderRule.ts
@@ -34,6 +34,9 @@ function walk(ctx: Lint.WalkContext<void>): void {
         return;
     }
 
+    lookFor(
+        "// Project: https://github.com/baz/foo",
+        "Project should be a link to the project's source code repository, not the default.");
     lookFor("// Definitions by: My Self", "Author name should be your name, not the default.");
     const error = validate(text);
     if (error) {
diff --git a/test/dt-header/wrong/types/default-project/index.d.ts.lint b/test/dt-header/wrong/types/default-project/index.d.ts.lint
new file mode 100644
index 00000000..d2082ad1
--- /dev/null
+++ b/test/dt-header/wrong/types/default-project/index.d.ts.lint
@@ -0,0 +1,5 @@
+// Type definitions for dt-header 1.0
+// Project: https://github.com/baz/foo (Does not have to be to GitHub, but prefer linking to a source code repository rather than to a project website.)
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [Project should be a link to the project's source code repository, not the default. See: https://github.com/Microsoft/dtslint/blob/master/docs/dt-header.md]
+// Definitions by: Jane Doe <https://github.com/janedoe>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped