diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
index 836fcde1..00b55790 100644
--- a/.php-cs-fixer.dist.php
+++ b/.php-cs-fixer.dist.php
@@ -14,7 +14,6 @@
         '@PHP71Migration:risky' => true,
         'no_alias_functions' => true,
         'void_return' => false,
-        'phpdoc_to_param_type' => true,
         '@PHPUnit84Migration:risky' => true,
     ])
     ->setRiskyAllowed(true)
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ba12fb78..d097fdad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -146,7 +146,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Provide access to HTTP status code by @Alkarex in [#674](https://github.com/simplepie/simplepie/pull/674)
 * Fix wrong type hint by @Alkarex in [#678](https://github.com/simplepie/simplepie/pull/678)
 * Force HTTPS for selected domains by @Alkarex in [#676](https://github.com/simplepie/simplepie/pull/676)
-* Prevent cache polution by @Alkarex in [#675](https://github.com/simplepie/simplepie/pull/675)
+* Prevent cache pollution by @Alkarex in [#675](https://github.com/simplepie/simplepie/pull/675)
 * Fix typo in comment by @Alkarex in [#680](https://github.com/simplepie/simplepie/pull/680)
 * Remove HTTP credentials in HTTP Referer by @Alkarex in [#681](https://github.com/simplepie/simplepie/pull/681)
 * CI: switch to GH Actions by @jrfnl in [#688](https://github.com/simplepie/simplepie/pull/688)
@@ -301,7 +301,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Fixed a PHP notice that occurs when a date starts with `(`. [#348](https://github.com/simplepie/simplepie/pull/348)
 * Fixed uninitialized string offeset PHP notices. [#353](https://github.com/simplepie/simplepie/pull/353)
 * Fixed call to non-existent property in Memcache. [#311](https://github.com/simplepie/simplepie/pull/311)
-* Fixed a bug where MySQL statements were not being passed thorugh `prepare()`. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Fixed a bug where MySQL statements were not being passed through `prepare()`. [#348](https://github.com/simplepie/simplepie/pull/348)
 * Fixed an instance where an error message in `SimplePie` was not being triggered correctly. [#348](https://github.com/simplepie/simplepie/pull/348)
 * Fixed a bug with Russian feeds. [#348](https://github.com/simplepie/simplepie/pull/348)
 * Fixed an issue with memory leaks. [#287](https://github.com/simplepie/simplepie/pull/287)
diff --git a/phpstan.neon b/phpstan.neon
index 3959db03..5450a9ac 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -23,7 +23,7 @@ parameters:
         - '(Constructor of class SimplePie\\Enclosure has an unused parameter \$javascript\.)'
 
         # Testing legacy dynamic property usage.
-        - '(Access to an undefined property SimplePie.IRI::\$nonexistant_prop\.)'
+        - '(Access to an undefined property SimplePie.IRI::\$nonexistent_prop\.)'
 
         -
             message: '(^Strict comparison using === between string and false will always evaluate to false\.$)'
diff --git a/src/Cache/CallableNameFilter.php b/src/Cache/CallableNameFilter.php
index 2cfb13f4..6a128a3d 100644
--- a/src/Cache/CallableNameFilter.php
+++ b/src/Cache/CallableNameFilter.php
@@ -39,7 +39,7 @@ public function __construct(callable $callable)
      * and encodings or longer lengths, but MUST support at least that
      * minimum.
      *
-     * @param string $name The name for the cache will be most likly an url with query string
+     * @param string $name The name for the cache will be most likely an url with query string
      *
      * @return string the new cache name
      */
diff --git a/src/Cache/NameFilter.php b/src/Cache/NameFilter.php
index af94255b..9babb41f 100644
--- a/src/Cache/NameFilter.php
+++ b/src/Cache/NameFilter.php
@@ -29,7 +29,7 @@ interface NameFilter
      * and encodings or longer lengths, but MUST support at least that
      * minimum.
      *
-     * @param string $name The name for the cache will be most likly an url with query string
+     * @param string $name The name for the cache will be most likely an url with query string
      *
      * @return string the new cache name
      */
diff --git a/src/HTTP/Parser.php b/src/HTTP/Parser.php
index 60a19ca1..4612bdb0 100644
--- a/src/HTTP/Parser.php
+++ b/src/HTTP/Parser.php
@@ -110,14 +110,14 @@ class Parser
     protected $position = 0;
 
     /**
-     * Name of the hedaer currently being parsed
+     * Name of the header currently being parsed
      *
      * @var string
      */
     protected $name = '';
 
     /**
-     * Value of the hedaer currently being parsed
+     * Value of the header currently being parsed
      *
      * @var string
      */
diff --git a/src/Misc.php b/src/Misc.php
index 950e3f9b..b5569510 100644
--- a/src/Misc.php
+++ b/src/Misc.php
@@ -292,13 +292,13 @@ public static function change_encoding(string $data, string $input, string $outp
 
         // We fail to fail on non US-ASCII bytes
         if ($input === 'US-ASCII') {
-            static $non_ascii_octects = '';
-            if (!$non_ascii_octects) {
+            static $non_ascii_octets = '';
+            if (!$non_ascii_octets) {
                 for ($i = 0x80; $i <= 0xFF; $i++) {
-                    $non_ascii_octects .= chr($i);
+                    $non_ascii_octets .= chr($i);
                 }
             }
-            $data = substr($data, 0, strcspn($data, $non_ascii_octects));
+            $data = substr($data, 0, strcspn($data, $non_ascii_octets));
         }
 
         // This is first, as behaviour of this is completely predictable
diff --git a/src/Parser.php b/src/Parser.php
index b7c5a29d..c5f4ac57 100644
--- a/src/Parser.php
+++ b/src/Parser.php
@@ -144,6 +144,8 @@ public function parse(string &$data, string $encoding, string $url = '')
                 //Parse by chunks not to use too much memory
                 do {
                     $stream_data = fread($stream, 1048576);
+                    // NB: At some point between PHP 7.3 and 7.4, the signature for `fread()` has changed
+                    // from returning `string` to returning `string|false`, hence the falsy check:
                     if (!xml_parse($xml, $stream_data == false ? '' : $stream_data, feof($stream))) {
                         $this->error_code = xml_get_error_code($xml);
                         $this->error_string = xml_error_string($this->error_code);
diff --git a/src/SimplePie.php b/src/SimplePie.php
index e8f5223d..78114b9e 100644
--- a/src/SimplePie.php
+++ b/src/SimplePie.php
@@ -1474,7 +1474,7 @@ public function remove_div(bool $enable = true)
     }
 
     /**
-     * @param string[]|string|false $tags Set a list of tags to strip, or set emtpy string to use default tags or false, to strip nothing.
+     * @param string[]|string|false $tags Set a list of tags to strip, or set empty string to use default tags or false, to strip nothing.
      * @return void
      */
     public function strip_htmltags($tags = '', ?bool $encode = null)
@@ -3416,7 +3416,7 @@ public static function merge_items(array $urls, int $start = 0, int $end = 0, in
                 if ($arg instanceof SimplePie) {
                     $items = array_merge($items, $arg->get_items(0, $limit));
 
-                // @phpstan-ignore-next-line Enforce PHPDoc type.
+                    // @phpstan-ignore-next-line Enforce PHPDoc type.
                 } else {
                     trigger_error('Arguments must be SimplePie objects', E_USER_WARNING);
                 }
diff --git a/tests/EncodingTest.php b/tests/EncodingTest.php
index 5278425a..eefc4f45 100644
--- a/tests/EncodingTest.php
+++ b/tests/EncodingTest.php
@@ -147,7 +147,7 @@ public function test_convert_UTF16(string $input, string $expected, string $enco
         $this->assertSameBin2Hex($expected, SimplePie_Misc::change_encoding($input, $encoding, 'UTF-16'));
     }
 
-    public function test_nonexistant(): void
+    public function test_nonexistent(): void
     {
         $this->assertFalse(SimplePie_Misc::change_encoding('', 'TESTENC', 'UTF-8'));
     }
diff --git a/tests/IRITest.php b/tests/IRITest.php
index e39c2adb..a7409a54 100644
--- a/tests/IRITest.php
+++ b/tests/IRITest.php
@@ -446,16 +446,16 @@ public function testWriteAliased(): void
         $this->assertSame('test', $iri->fragment);
     }
 
-    public function testNonexistantProperty(): void
+    public function testNonexistentProperty(): void
     {
         $iri = new SimplePie_IRI();
-        $this->assertFalse(isset($iri->nonexistant_prop));
+        $this->assertFalse(isset($iri->nonexistent_prop));
 
         // PHPUnit 10 compatible way to test trigger_error().
         set_error_handler(
             function ($errno, $errstr): bool {
                 $this->assertSame(
-                    'Undefined property: SimplePie\IRI::nonexistant_prop',
+                    'Undefined property: SimplePie\IRI::nonexistent_prop',
                     $errstr
                 );
 
@@ -465,7 +465,7 @@ function ($errno, $errstr): bool {
             E_USER_NOTICE
         );
 
-        $should_fail = $iri->nonexistant_prop;
+        $should_fail = $iri->nonexistent_prop;
     }
 
     public function testBlankHost(): void
diff --git a/tests/Integration/CachingTest.php b/tests/Integration/CachingTest.php
index c302e31d..35041006 100644
--- a/tests/Integration/CachingTest.php
+++ b/tests/Integration/CachingTest.php
@@ -85,7 +85,7 @@ public function testInitWithDifferentCacheStateCallsCacheCorrectly(
 
                     $writtenData = $data;
 
-                    // Ignore internally setted '__cache_expiration_time'
+                    // Ignore internally set '__cache_expiration_time'
                     if (array_key_exists('__cache_expiration_time', $writtenData)) {
                         unset($writtenData['__cache_expiration_time']);
                     }
diff --git a/tests/Unit/CategoryTest.php b/tests/Unit/CategoryTest.php
index 044fac69..183b310b 100644
--- a/tests/Unit/CategoryTest.php
+++ b/tests/Unit/CategoryTest.php
@@ -27,7 +27,7 @@ public function testClassExists(): void
     /**
      * @return array<array{string, string}>
      */
-    public static function getFeedCategoryLableDataProvider(): array
+    public static function getFeedCategoryLabelDataProvider(): array
     {
         return [
             'Test Atom 0.3 DC 1.0 Subject' => [
@@ -377,7 +377,7 @@ public static function getFeedCategoryLableDataProvider(): array
     }
 
     /**
-     * @dataProvider getFeedCategoryLableDataProvider
+     * @dataProvider getFeedCategoryLabelDataProvider
      */
     public function test_get_label_from_feed_category(string $data, string $expected): void
     {
@@ -395,7 +395,7 @@ public function test_get_label_from_feed_category(string $data, string $expected
     /**
      * @return array<array{string, string}>
      */
-    public static function getItemCategoryLableDataProvider(): array
+    public static function getItemCategoryLabelDataProvider(): array
     {
         return [
             'Test Atom 0.3 DC 1.0 Subject' => [
@@ -805,7 +805,7 @@ public static function getItemCategoryLableDataProvider(): array
     }
 
     /**
-     * @dataProvider getItemCategoryLableDataProvider
+     * @dataProvider getItemCategoryLabelDataProvider
      */
     public function test_get_label_from_item_category(string $data, string $expected): void
     {
diff --git a/tests/Unit/IRITest.php b/tests/Unit/IRITest.php
index 3e3e78ca..296e83a5 100644
--- a/tests/Unit/IRITest.php
+++ b/tests/Unit/IRITest.php
@@ -456,16 +456,16 @@ public function testWriteAliased(): void
         $this->assertSame('test', $iri->fragment);
     }
 
-    public function testNonexistantProperty(): void
+    public function testNonexistentProperty(): void
     {
         $iri = new IRI();
-        $this->assertFalse(isset($iri->nonexistant_prop));
+        $this->assertFalse(isset($iri->nonexistent_prop));
 
         // PHPUnit 10 compatible way to test trigger_error().
         set_error_handler(
             function ($errno, $errstr): bool {
                 $this->assertSame(
-                    'Undefined property: SimplePie\IRI::nonexistant_prop',
+                    'Undefined property: SimplePie\IRI::nonexistent_prop',
                     $errstr
                 );
 
@@ -475,7 +475,7 @@ function ($errno, $errstr): bool {
             E_USER_NOTICE
         );
 
-        $should_fail = $iri->nonexistant_prop;
+        $should_fail = $iri->nonexistent_prop;
     }
 
     public function testBlankHost(): void
diff --git a/tests/Unit/MiscTest.php b/tests/Unit/MiscTest.php
index 782aadcc..5a88447a 100644
--- a/tests/Unit/MiscTest.php
+++ b/tests/Unit/MiscTest.php
@@ -177,7 +177,7 @@ public function test_convert_UTF16(string $input, string $expected, string $enco
         $this->assertSameBin2Hex($expected, Misc::change_encoding($input, $encoding, 'UTF-16'));
     }
 
-    public function test_nonexistant(): void
+    public function test_nonexistent(): void
     {
         $this->assertFalse(Misc::change_encoding('', 'TESTENC', 'UTF-8'));
     }