diff --git a/src/2_coordinates.md b/src/2_coordinates.md
index c55b766b106fff7b1cdc0240f68ac4a01d1b8f9c..284ad0855408f75ef058f07c4a7325c7d0125a6b 100644
--- a/src/2_coordinates.md
+++ b/src/2_coordinates.md
@@ -5,7 +5,7 @@ title: Coordinates
 
 The lecture on coordinate systems consists of 3 parts, each with their own video.
 
-Total video length: 35 minutes and 13 seconbds
+**Total video length: 35 minutes and 13 seconds**
 
 ## Introduction to coordinate systems: Cartesian and polar