[ci skip] Fix a typo in session docs
diff --git a/user_guide_src/source/libraries/sessions.rst b/user_guide_src/source/libraries/sessions.rst
index 51ecc03..2317f85 100644
--- a/user_guide_src/source/libraries/sessions.rst
+++ b/user_guide_src/source/libraries/sessions.rst
@@ -836,7 +836,7 @@
 		.. note:: This method is DEPRECATED. Use ``userdata()``
 			with no parameters instead.
 
-	.. php:method:: &get_usedata()
+	.. php:method:: &get_userdata()
 
 		:returns:	A reference to ``$_SESSION``
 		:rtype:	array
@@ -1053,4 +1053,4 @@
 			$this->session->foo = 'bar';
 
 			// Results in:
-			// $_SESSION['foo'] = 'bar';
\ No newline at end of file
+			// $_SESSION['foo'] = 'bar';