Address feedback

src/ImageSharp/Memory/Allocators/MemoryAllocator.cs

@@ -35,12 +35,12 @@ public abstract class MemoryAllocator
     internal long MemoryGroupAllocationLimitBytes { get; private protected set; } = Environment.Is64BitProcess ? 4L * OneGigabyte : OneGigabyte;
 
     /// <summary>
-    /// Gets the maximum allowed total allocation size, in bytes, for the current process.
+    /// Gets the maximum cumulative size, in bytes, of all active allocations made through this allocator instance.
     /// </summary>
     /// <remarks>
-    /// Defaults to <see cref="long.MaxValue"/>, effectively imposing no limit on total allocations.
+    /// Defaults to <see cref="long.MaxValue"/>, effectively imposing no limit on the cumulative total.
-    /// This property can be set to enforce a cap on total memory usage across all allocations made through this allocator instance, providing
+    /// When set, this provides a safeguard against excessive memory consumption by capping the combined size of
-    /// a safeguard against excessive memory consumption.<br/>
+    /// outstanding allocations issued by this instance.<br/>
     /// When the cumulative size of active allocations exceeds this limit, an <see cref="InvalidMemoryOperationException"/> will be thrown to
     /// prevent further allocations and signal that the limit has been breached.
     /// </remarks>

src/ImageSharp/Memory/Allocators/MemoryAllocatorOptions.cs

@@ -49,8 +49,9 @@ public struct MemoryAllocatorOptions
     }
 
     /// <summary>
-    /// Gets or sets a value defining the maximum total size that can be allocated by the allocator in Megabytes.
+    /// Gets or sets a value defining the maximum cumulative size, in Megabytes, of all active allocations made
-    /// <see langword="null"/> means platform default: 2GB on 32-bit processes, 8GB on 64-bit processes.
+    /// through the created <see cref="MemoryAllocator"/> instance.
+    /// <see langword="null"/> (the default) imposes no limit on the cumulative total.
     /// </summary>
     public int? AccumulativeAllocationLimitMegabytes
     {