diff --git a/src/document/doc-builders.js b/src/document/doc-builders.js
index c4cb1af80..d6e64df5e 100644
--- a/src/document/doc-builders.js
+++ b/src/document/doc-builders.js
@@ -56,7 +56,7 @@ function indent(contents) {
 }
 
 /**
- * @param {number} n
+ * @param {number | string} n
  * @param {Doc} contents
  * @returns Doc
  */
diff --git a/tsconfig.json b/tsconfig.json
index 67501e2b6..9337695a9 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -23,12 +23,8 @@
     "src/main/multiparser.js",
     "src/main/options.js",
     // [TBD] src/language-* source directory trees with known JSDoc type issues:
-    "src/language-css",
-    "src/language-graphql",
     "src/language-html",
     "src/language-js",
-    "src/language-markdown",
-    "src/language-yaml",
     // [TBD] JavaScript sources affected by JSDoc issues in src/language-*:
     "src/common/load-plugins.js",
     "src/cli/index.js",