diff --git a/.editorconfig b/.editorconfig
index 7bc5a3f..b2bccd4 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -13,6 +13,10 @@ max_line_length = off
 indent_style = space
 indent_size = 2
 
+[README.md]
+indent_style = space
+indent_size = 2
+
 [*.json]
 max_line_length = off
 
diff --git a/README.md b/README.md
index 74fafae..d1ce7ce 100644
--- a/README.md
+++ b/README.md
@@ -30,14 +30,14 @@ assert.equal(function foo() {}.name, 'foo');
 Automatically tested in every minor version of node.
 
 Manually tested in:
- - Safari: v4 - v15 <sub>(4, 5, 5.1, 6.0.5, 6.2, 7.1, 8, 9.1.3, 10.1.2, 11.1.2, 12.1, 13.1.2, 14.1.2, 15.3, 15.6.1)</sub>
- - Chrome: v15 - v81, v83 - v106<sub>(every integer version)</sub>
-   - Note: This includes Edge v80+ and Opera v15+, which matches Chrome
- - Firefox: v3, v3.6, v4 - v105 <sub>(every integer version)</sub>
-   - Note: in v42 - v63, `Function.prototype.toString` throws on HTML element constructors, or a Proxy to a function
-   - Note: in v20 - v35, HTML element constructors are not callable, despite having typeof `function`
- - IE: v6 - v11<sub>(every integer version</sub>
- - Opera: v11.1, v11.5, v11.6, v12.0, v12.1, v12.14, v12.15, v12.16, v15+ <sub>v15+ matches Chrome</sub>
+  - Safari: v4 - v15 <sub>(4, 5, 5.1, 6.0.5, 6.2, 7.1, 8, 9.1.3, 10.1.2, 11.1.2, 12.1, 13.1.2, 14.1.2, 15.3, 15.6.1)</sub>
+  - Chrome: v15 - v81, v83 - v106<sub>(every integer version)</sub>
+    - Note: This includes Edge v80+ and Opera v15+, which matches Chrome
+  - Firefox: v3, v3.6, v4 - v105 <sub>(every integer version)</sub>
+    - Note: in v42 - v63, `Function.prototype.toString` throws on HTML element constructors, or a Proxy to a function
+    - Note: in v20 - v35, HTML element constructors are not callable, despite having typeof `function`
+  - IE: v6 - v11<sub>(every integer version</sub>
+  - Opera: v11.1, v11.5, v11.6, v12.0, v12.1, v12.14, v12.15, v12.16, v15+ <sub>v15+ matches Chrome</sub>
 
 ## Tests
 Simply clone the repo, `npm install`, and run `npm test`