Fix typo in docs

docs/data_driven_testing.adoc

@@ -447,7 +447,7 @@ exactly one iteration.
 If you want to filter out some iterations, you can use the `@IgnoreIf` annotation on the feature method.
 This has one significant drawback though, the iteration would be reported as skipped in test reports.
 Therefor you can have a `filter` block after the `where` block.
-The content of this block is treated like the content of the `exepct` block.
+The content of this block is treated like the content of the `expect` block.
 If any of the implicit or explicit assertions in the `filter` block fails, the iteration is treated like it would not exist.
 This also means, that if all iterations are filtered out, the test will fail like when giving a data provider without content.