Update deprecation notices

Change-Id: I6db0a10249b2212add3ff4bb2598b03cae2bff55
Signed-off-by: Giorgio Arena <giorgio.arena@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5098
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/runtime/CPP/CPPScheduler.cpp b/src/runtime/CPP/CPPScheduler.cpp
index 73e26ac..a26b580 100644
--- a/src/runtime/CPP/CPPScheduler.cpp
+++ b/src/runtime/CPP/CPPScheduler.cpp
@@ -273,7 +273,7 @@
 };
 
 /*
- * This singleton has been deprecated and will be removed in the next release
+ * This singleton has been deprecated and will be removed in future releases
  */
 CPPScheduler &CPPScheduler::get()
 {