Fixed double-space typo.

1 files changed, 2 insertions, 2 deletions

diff --git a/user_guide/general/core_classes.html b/user_guide/general/core_classes.html
index 51c2c7440..e5521b453 100644
--- a/user_guide/general/core_classes.html
+++ b/user_guide/general/core_classes.html
@@ -111,12 +111,12 @@ class CI_Input {<br /><br />
 <h2>Extending Core Class</h2>
 
 <p>If all you need to do is add some functionality to an existing library - perhaps add a function or two - then
-it's overkill to replace the entire library with your version.  In this case it's better to simply extend the class.
+it's overkill to replace the entire library with your version. In this case it's better to simply extend the class.
 Extending a class is nearly identical to replacing a class with a couple exceptions:</p>
 
 <ul>
 <li>The class declaration must extend the parent class.</li>
-<li>Your new class name and filename must be prefixed with <kbd>MY_</kbd> (this item is configurable.  See below.).</li>
+<li>Your new class name and filename must be prefixed with <kbd>MY_</kbd> (this item is configurable. See below.).</li>
 </ul>
 
 <p>For example, to extend the native <kbd>Input</kbd> class you'll create a file named <dfn>application/core/</dfn><kbd>MY_Input.php</kbd>, and declare your class with:</p>