diff --git a/docs/asciidoc/alloc-metrics.adoc b/docs/asciidoc/alloc-metrics.adoc
index 2afa2543a6..43c771f46f 100644
--- a/docs/asciidoc/alloc-metrics.adoc
+++ b/docs/asciidoc/alloc-metrics.adoc
@@ -7,20 +7,20 @@
 See <<observability-metrics-used-heap-memory>>
 | reactor.netty.bytebuf.allocator.used.direct.memory | Gauge | The number of bytes reserved by direct buffer allocator.
 See <<observability-metrics-used-direct-memory>>
-| reactor.netty.bytebuf.allocator.used.heap.arenas | Gauge | The number of heap arenas (when `PooledByteBufAllocator`).
+| reactor.netty.bytebuf.allocator.heap.arenas | Gauge | The number of heap arenas (when `PooledByteBufAllocator`).
 See <<observability-metrics-heap-arenas>>
-| reactor.netty.bytebuf.allocator.used.direct.arenas | Gauge | The number of direct arenas (when `PooledByteBufAllocator`).
+| reactor.netty.bytebuf.allocator.direct.arenas | Gauge | The number of direct arenas (when `PooledByteBufAllocator`).
 See <<observability-metrics-direct-arenas>>
-| reactor.netty.bytebuf.allocator.used.threadlocal.caches | Gauge | The number of thread local caches (when `PooledByteBufAllocator`).
+| reactor.netty.bytebuf.allocator.threadlocal.caches | Gauge | The number of thread local caches (when `PooledByteBufAllocator`).
 See <<observability-metrics-thread-local-caches>>
-| reactor.netty.bytebuf.allocator.used.small.cache.size | Gauge | The size of the small cache (when `PooledByteBufAllocator`).
+| reactor.netty.bytebuf.allocator.small.cache.size | Gauge | The size of the small cache (when `PooledByteBufAllocator`).
 See <<observability-metrics-small-cache-size>>
-| reactor.netty.bytebuf.allocator.used.normal.cache.size | Gauge | The size of the normal cache (when `PooledByteBufAllocator`).
+| reactor.netty.bytebuf.allocator.normal.cache.size | Gauge | The size of the normal cache (when `PooledByteBufAllocator`).
 See <<observability-metrics-normal-cache-size>>
-| reactor.netty.bytebuf.allocator.used.chunk.size | Gauge | The chunk size for an arena (when `PooledByteBufAllocator`).
+| reactor.netty.bytebuf.allocator.chunk.size | Gauge | The chunk size for an arena (when `PooledByteBufAllocator`).
 See <<observability-metrics-chunk-size>>
-| reactor.netty.bytebuf.allocator.active.heap.buffers | Gauge | The actual bytes consumed by in-use heap buffers (when `PooledByteBufAllocator`).
+| reactor.netty.bytebuf.allocator.active.heap.memory | Gauge | The actual bytes consumed by in-use buffers allocated from heap buffer pools (when `PooledByteBufAllocator`).
 See <<observability-metrics-active-heap-memory>>
-| reactor.netty.bytebuf.allocator.active.direct.buffers | Gauge | The actual bytes consumed by in-use direct buffers (when `PooledByteBufAllocator`).
+| reactor.netty.bytebuf.allocator.active.direct.memory | Gauge | The actual bytes consumed by in-use buffers allocated from direct buffer pools (when `PooledByteBufAllocator`).
 See <<observability-metrics-active-direct-memory>>
 |=======