diff --git a/bin/update-analytics-vendors.js b/bin/update-analytics-vendors.js
index 514b4b889dd..1e7f2df3840 100644
--- a/bin/update-analytics-vendors.js
+++ b/bin/update-analytics-vendors.js
@@ -57,7 +57,7 @@ class UpdateAnalyticsVendors {
 	}
 
 	/**
-	 * Extract vendors from recieved data.
+	 * Extract vendors from received data.
 	 *
 	 * @return {Promise<void>}
 	 */
diff --git a/tests/php/src/MobileRedirectionTest.php b/tests/php/src/MobileRedirectionTest.php
index d0f386f1644..0baf5b7bc5a 100644
--- a/tests/php/src/MobileRedirectionTest.php
+++ b/tests/php/src/MobileRedirectionTest.php
@@ -746,7 +746,7 @@ public function get_test_data_for_add_mobile_version_switcher() {
 			foreach ( [ true, false ] as $is_amp ) {
 				foreach ( [ true, false ] as $is_customizer ) {
 					foreach ( [ true, false ] as $is_paired_browsing ) {
-						// Skip ths condition for Reader mode since Paired Browsing not relevant.
+						// Skip this condition for Reader mode since Paired Browsing not relevant.
 						if ( AMP_Theme_Support::READER_MODE_SLUG === $template_mode ) {
 							continue;
 						}
diff --git a/tests/php/test-amp-style-sanitizer.php b/tests/php/test-amp-style-sanitizer.php
index 7145218c473..68bd4963414 100644
--- a/tests/php/test-amp-style-sanitizer.php
+++ b/tests/php/test-amp-style-sanitizer.php
@@ -1691,7 +1691,7 @@ static function ( $selector ) {
 
 		add_filter( 'amp_native_img_used', '__return_false' );
 
-		// The toggling of the 'add_noscript_fallback' arg is to catch a bizzare PHP DOM issue whereby if you replace
+		// The toggling of the 'add_noscript_fallback' arg is to catch a bizarre PHP DOM issue whereby if you replace
 		// an element in a Document, and that replaced element had an ID, the element will still be returned by
 		// getElementById even though it is no longer inside of the document. When add_noscript_fallback is false,
 		// then the original img (for example) will not be inside of the document (?).