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/runtime/LutAllocator.h b/arm_compute/runtime/LutAllocator.h
index 76b596b..077b469 100644
--- a/arm_compute/runtime/LutAllocator.h
+++ b/arm_compute/runtime/LutAllocator.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017 ARM Limited.
+ * Copyright (c) 2016-2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -37,7 +37,10 @@
 public:
     /** Default constructor. */
     LutAllocator();
-    /** Interface to be implemented by the child class to return the pointer to the allocate data. */
+    /** Interface to be implemented by the child class to return the pointer to the allocate data.
+     *
+     * @return a pointer to the data.
+     */
     uint8_t *data() const;
 
 protected: