Small tweaks to comments

Author: web-padawan

Diff for: packages/vaadin-themable-mixin/css-injection-mixin.js

@@ -6,7 +6,7 @@
 import { CSSInjector } from './src/css-injector.js';
 
 /**
- * Find enclosing root for given element to father style rules from.
+ * Find enclosing root for given element to gather style rules from.
  *
  * @param {HTMLElement} element
  * @return {DocumentOrShadowRoot}
@@ -55,7 +55,6 @@ export const CSSInjectionMixin = (superClass) =>
     connectedCallback() {
       super.connectedCallback();
 
-      // Find proper host element to observe
       const root = findRoot(this);
       root.__cssInjector ||= new CSSInjector(root);
       this.__cssInjector = root.__cssInjector;

Diff for: packages/vaadin-themable-mixin/vaadin-themable-mixin.js

@@ -121,7 +121,7 @@ function updateInstanceStyles(instance) {
     // Remove them first to avoid duplicates.
     [...instance.shadowRoot.querySelectorAll('style')].forEach((style) => style.remove());
 
-    // There are some styles injected, we need to retain them and place
+    // If there are some styles injected, we should retain them and place
     // before any custom styles. Note that `src` styles will end up after
     // injected ones but those should use `@layer` for lower specificity.
     const styles = [getInjectedStyleSheet(instance), ...componentClass.elementStyles].filter(Boolean);