diff --git a/_manual/19_synchronization/01_on-clock-and-time.html b/_manual/19_synchronization/01_on-clock-and-time.html
index 64ed04b..30861ff 100644
--- a/_manual/19_synchronization/01_on-clock-and-time.html
+++ b/_manual/19_synchronization/01_on-clock-and-time.html
@@ -4,7 +4,7 @@ title: On Clock and Time
 ---
 
 <p>
-Synchronisation in multimedia involves two concepts which are often confused: <strong>clock</strong> (or speed) and <strong>time</strong> (location in time).
+Synchronization in multimedia involves two concepts which are often confused: <strong>clock</strong> (or speed) and <strong>time</strong> (location in time).
 </p>
 
 <p>