doc: fix platform name in release notes

Author: vgvozdeva

RELEASE_NOTES.md

@@ -81,8 +81,8 @@
 * Concat primitive may produce incorrect results for certain shapes on Intel Arc A-series GPUs.
 * `fp16` matmul primitive has a performance regression on Intel GPUs based on Xe2 architecture.
 * `f32` matmul primitive may sporadically produce incorrect results on Intel Arc B-series graphics.
-* `int8` inner product primitive with tensors exceeding 4 Gb in size may produce incorrect results on Intel Datacenter GPU Max series.
-* `bf16` layer normalization backpropagation may produce incorrect results on Intel Datacenter GPU Max Series.	
+* `int8` inner product primitive with tensors exceeding 4 Gb in size may produce incorrect results on Intel Data Center GPU Max Series.
+* `bf16` layer normalization backpropagation may produce incorrect results on Intel Data Center GPU Max Series.	
 
 # Deprecated Functionality
 * [BLAS-like API] including `dnnl::sgemm`, `dnnl::gemm_u8s8s32`, and `dnnl::gemm_s8s8s32` functions is deprecated