diff --git a/CHANGELOG.md b/CHANGELOG.md
index bc0ebf47..66e0705d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@ Yii Framework 2 apidoc extension Change Log
 - Bug #179: Fixed incorrect output when string type hint is used in method parameters (arogachev)
 - Bug #199: Fixed processing of nullable return types (arogachev)
 - Bug #148: Fixed processing of code containing uniform variable syntax (arogachev)
+- Bug #128: Fixed extracting of first sentence from the text containing backticks (arogachev)
 - Enh #209: Added support for todos in properties and methods (arogachev)
 - Enh #18: Added pretty print for arrays (arogachev)
 
diff --git a/models/BaseDoc.php b/models/BaseDoc.php
index 47216ba4..ab8fbd4b 100644
--- a/models/BaseDoc.php
+++ b/models/BaseDoc.php
@@ -207,7 +207,12 @@ public static function extractFirstSentence($text)
             $sentence = mb_substr($text, 0, $pos + 1, 'utf-8');
             if (mb_strlen($text, 'utf-8') >= $pos + 3) {
                 $abbrev = mb_substr($text, $pos - 1, 4, 'utf-8');
-                if ($abbrev === 'e.g.' || $abbrev === 'i.e.') { // do not break sentence after abbreviation
+                // do not break sentence after abbreviation
+                if ($abbrev === 'e.g.' ||
+                    $abbrev === 'i.e.' ||
+                    mb_substr_count($sentence, '`', 'utf-8') % 2 === 1 ||
+                    mb_substr_count($text, '`', 'utf-8') % 2 === 1
+                ) {
                     $sentence .= static::extractFirstSentence(mb_substr($text, $pos + 1, mb_strlen($text, 'utf-8'), 'utf-8'));
                 }
             }
diff --git a/tests/models/BaseDocTest.php b/tests/models/BaseDocTest.php
new file mode 100644
index 00000000..a720edfd
--- /dev/null
+++ b/tests/models/BaseDocTest.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yiiunit\apidoc\models;
+
+use PHPUnit\Framework\TestCase;
+use yii\apidoc\models\BaseDoc;
+
+class BaseDocTest extends TestCase
+{
+    /**
+     * @link https://github.com/yiisoft/yii2-apidoc/issues/128
+     */
+    public function testExtractFirstSentenceWithBackticks()
+    {
+        $initialText = 'the host info (e.g. `http://www.example.com`) that is used by [[createAbsoluteUrl()]] to ' .
+            'prepend to created URLs.';
+        $firstSentence = BaseDoc::extractFirstSentence($initialText);
+        $this->assertEquals($initialText, $firstSentence);;
+    }
+}