Fix typo
Change-Id: I8bc13adbf656c73615c4d760316976cebf56fb77
diff --git a/documentation/index.php b/documentation/index.php
index 66b2fdf..975f778 100644
--- a/documentation/index.php
+++ b/documentation/index.php
@@ -160,7 +160,7 @@
</li>
<li>Progress Estimation
<ul>
- <li>Service that automatically estimated the progress of <em>Task</em>s based on historical execution time data. If available, this
+ <li>Service that automatically estimates the progress of <em>Task</em>s based on historical execution time data. If available, this
is the default for all <em>Task</em>s, and must be explicitly overruled - see <em>TEA Core</em></li>
</ul>
</li>
