COMPMID-1008: Fix Doxygen issues

Change-Id: Ie73d8771f85d1f5b059f3a56f1bbd73c98e94a38
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/124723
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/core/NEON/INEKernel.h b/arm_compute/core/NEON/INEKernel.h
index 529606a..32d7ab6 100644
--- a/arm_compute/core/NEON/INEKernel.h
+++ b/arm_compute/core/NEON/INEKernel.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -28,6 +28,7 @@
 
 namespace arm_compute
 {
+/** Common interface for all kernels implemented in NEON. */
 using INEKernel = ICPPKernel;
 } // namespace arm_compute
 #endif /*__ARM_COMPUTE_INEKERNEL_H__ */