diff --git a/.markdownlint.jsonc b/.markdownlint.jsonc
new file mode 100644
index 0000000..9ed85d8
--- /dev/null
+++ b/.markdownlint.jsonc
@@ -0,0 +1,18 @@
+{
+  "line-length": {
+    "strict": true,
+    "code_blocks": false
+  },
+  "proper-names": {
+    "code_blocks": false,
+    "names": [
+      "CommonMark",
+      "JavaScript",
+      "Markdown",
+      "markdown-it",
+      "markdownlint",
+      "markdownlint-cli2",
+      "Node.js"
+    ]
+  }
+}
diff --git a/README.md b/README.md
index 6f6501e..e89c789 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ issues will be fixed automatically.
 If set to `config`, the `markdownlint-cli2-config` command is run and the
 first element of `globs` should specify a supported configuration file.
 
-For more detail: [command line documentation for `markdownlint-cli2`][command-line].
+For more detail: [documentation for `markdownlint-cli2`][command-line].
 
 ### globs (optional)