Fix typo

Author: phpfui

docs/3. Active Table.md

@@ -128,4 +128,4 @@ $table->addOrderBy('name');
 ```
 
 ### Explain
-You can get the execution plan for the current **\PHPFUI\ORM\Table** query with the **getExplainRows** method.  The results of this are dependant on the underlying database and can change.
+You can get the execution plan for the current **\PHPFUI\ORM\Table** query with the **getExplainRows** method.  The results of this are dependent on the underlying database and can change.