docs: improvement

Author: alexander-akait

README.md

@@ -59,7 +59,7 @@ Declarations (mode `local`, by default):
 In pure mode, all selectors must contain at least one local class or id
 selector
 
-To ignore this rule for a specific selector, add the following comment in front
+To ignore this rule for a specific selector, add the a `/* cssmodules-pure-ignore */` comment in front
 of the selector:
 
 ```css
@@ -69,6 +69,20 @@ of the selector:
 }
 ```
 
+or by adding a `/* cssmodules-pure-no-check */` comment at the top of a file to disable this check for the whole file:
+
+```css
+/* cssmodules-pure-no-check */
+
+:global(#modal-backdrop) {
+  ...;
+}
+
+:global(#my-id) {
+  ...;
+}
+```
+
 ## Building
 
 ```bash

test/index.test.js

@@ -1213,6 +1213,15 @@ const tests = [
             /* cssmodules-pure-no-check */`,
     error: /is not pure/,
   },
+  {
+    name: "should ignore no-check comment if not at root level #2",
+    options: { mode: "pure" },
+    input: `/* Some file description */
+            .class { color: red; }
+            /* cssmodules-pure-no-check */
+            :global(.foo) { color: blue }`,
+    error: /is not pure/,
+  },
   {
     name: "should allow other comments before no-check comment",
     options: { mode: "pure" },