diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php
index 4398d31..2ffa86d 100644
--- a/system/helpers/captcha_helper.php
+++ b/system/helpers/captcha_helper.php
@@ -71,7 +71,7 @@
 			'font_path'	=> '',
 			'expiration'	=> 7200,
 			'word_length'	=> 8,
-			'font_size'		=>16,
+			'font_size'	=> 16,
 			'pool'		=> '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
 			'colors'	=> array(
 				'background'	=> array(255,255,255),
@@ -194,7 +194,7 @@
 		$use_font = ($font_path !== '' && file_exists($font_path) && function_exists('imagettftext'));
 		if ($use_font === FALSE)
 		{
-			($font_size >= 5) && $font_size = 5;;
+			($font_size > 5) && $font_size = 5;
 			$x = mt_rand(0, $img_width / ($length / 3));
 			$y = 0;
 		}
diff --git a/user_guide_src/source/helpers/captcha_helper.rst b/user_guide_src/source/helpers/captcha_helper.rst
index 925dcdf..3cf5133 100644
--- a/user_guide_src/source/helpers/captcha_helper.rst
+++ b/user_guide_src/source/helpers/captcha_helper.rst
@@ -33,7 +33,7 @@
 		'img_height'	=> 30,
 		'expiration'	=> 7200,
 		'word_length'	=> 8,
-		'font_size'		=>16,
+		'font_size'	=> 16,
 		'pool'		=> '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
 
 		// White background and border, black text and red grid
@@ -60,7 +60,7 @@
    in the captcha folder before it will be deleted. The default is two
    hours.
 -  **word_length** defaults to 8, **pool** defaults to '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
--  **font_size** defaults to 16, the native GD font has a size limit. Specify a TRUE TYPE font for bigger sizes. 
+-  **font_size** defaults to 16, the native GD font has a size limit. Specify a "true type" font for bigger sizes. 
 -  If any of the **colors** values is missing, it will be replaced by the default.
 
 Adding a Database