diff --git a/docs/ajax_and_stack.md b/docs/ajax_and_stack.md
index 134c0c1..ba919a5 100644
--- a/docs/ajax_and_stack.md
+++ b/docs/ajax_and_stack.md
@@ -56,7 +56,7 @@ Simply call `DebugBar::stackData()` instead of rendering the debug bar.
 
 PHP's session must be started before using this feature.
 
-Note: The stacked data feature will use the storage mechanism of it's enabled
+Note: The stacked data feature will use the storage mechanism if it's enabled
 instead of storing the data in the session.
 
     $debugbar = new DebugBar();
@@ -64,4 +64,4 @@ instead of storing the data in the session.
     $debugbar->stackData();
 
 Stacked data are rendered each time the debug bar is rendered using the
-`JavascriptRenderer`.
\ No newline at end of file
+`JavascriptRenderer`.