doxygen BUGFIX source file headers, file attribute
diff --git a/tests/plugins/invalid.c b/tests/plugins/invalid.c
index 54f5566..000ccb4 100644
--- a/tests/plugins/invalid.c
+++ b/tests/plugins/invalid.c
@@ -1,5 +1,5 @@
 /**
- * @file plugins/invalid.c
+ * @file invalid.c
  * @author Radek Krejci <rkrejci@cesnet.cz>
  * @brief Invalid testing plugins implementation
  *