diff --git a/docs/index.html b/docs/index.html
index cd30d21a8..0e05c80ea 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -1819,7 +1819,7 @@
 	  <tr><td>Current state</td><td>Shows the currently loaded state's number</td></tr>
 	  <tr><td>'Timeline' slider</td><td>Shows the position of the current state in the
       recorded timeline. A state can be selected by dragging the slider with the mouse.
-      To visualize state compression, tickmarks split the timeline into five, equally
+      To visualize state compression, small marks split the timeline into five, equally
       sized state number intervals.</td></tr>
 	  <tr><td>Total states</td><td>Shows the total number of save states in the
       Time Machine</td></tr>