COMPMID-1566: Add broadcast to CLArithmeticSubtraction

Change-Id: I05d21f9a92013ecfd1128d12cf1561cfd6e5c5e9
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/147983
Tested-by: bsgcomp <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/arm_compute/core/CL/kernels/CLArithmeticAdditionKernel.h b/arm_compute/core/CL/kernels/CLArithmeticAdditionKernel.h
index f4275f4..48e72f3 100644
--- a/arm_compute/core/CL/kernels/CLArithmeticAdditionKernel.h
+++ b/arm_compute/core/CL/kernels/CLArithmeticAdditionKernel.h
@@ -51,7 +51,7 @@
     CLArithmeticAdditionKernel &operator=(CLArithmeticAdditionKernel &&) = default;
     /** Default destructor */
     ~CLArithmeticAdditionKernel() = default;
-    /** Initialise the kernel's inputs, output and convertion policy.
+    /** Initialise the kernel's inputs, output and conversion policy.
      *
      * @param[in]  input1 First tensor input. Data types supported: U8/QASYMM8/S16/F16/F32.
      * @param[in]  input2 Second tensor input. Data types supported: U8, QASYMM8 (only if @p input1 is QASYMM8), S16/F16/F32.