CHANGELOG-3.4: fix casing

Signed-off-by: Gyuho Lee <leegyuho@amazon.com>

CHANGELOG-3.4.md

@@ -30,7 +30,7 @@ See [code changes](https://github.com/etcd-io/etcd/compare/v3.3.0...v3.4.0) and
   - Improve [client balancer failover against secure endpoints](https://github.com/etcd-io/etcd/pull/10911).
     - Fix ["kube-apiserver 1.13.x refuses to work when first etcd-server is not available" (kubernetes#72102)](https://github.com/kubernetes/kubernetes/issues/72102).
   - Fix [gRPC panic "send on closed channel](https://github.com/etcd-io/etcd/issues/9956).
-  - [The new client balancer](https://github.com/etcd-io/etcd/blob/master/Documentation/learning/design-client.md) uses an asynchronous resolver to pass endpoints to the gRPC dial function. to block until the underlying connection is up, pass `grpc.WithBlock()` to `clientv3.Config.DialOptions`.
+  - [The new client balancer](https://github.com/etcd-io/etcd/blob/master/Documentation/learning/design-client.md) uses an asynchronous resolver to pass endpoints to the gRPC dial function. To block until the underlying connection is up, pass `grpc.WithBlock()` to `clientv3.Config.DialOptions`.
 - Add [backoff on watch retries on transient errors](https://github.com/etcd-io/etcd/pull/9840).
 - Add [jitter to watch progress notify](https://github.com/etcd-io/etcd/pull/9278) to prevent [spikes in `etcd_network_client_grpc_sent_bytes_total`](https://github.com/etcd-io/etcd/issues/9246).
 - Improve [read index wait timeout warning log](https://github.com/etcd-io/etcd/pull/10026), which indicates that local node might have slow network.
@@ -75,7 +75,7 @@ See [code changes](https://github.com/etcd-io/etcd/compare/v3.3.0...v3.4.0) and
 - Add [consistency check in snapshot status](https://github.com/etcd-io/etcd/pull/10109). If consistency check on snapshot file fails, `snapshot status` returns `"snapshot file integrity check failed..."` error.
 - Add [`Verify` function to perform corruption check on WAL contents](https://github.com/etcd-io/etcd/pull/10603).
 - Improve [heartbeat send failure logging](https://github.com/etcd-io/etcd/pull/10663).
-- Support [users with no password](https://github.com/etcd-io/etcd/pull/9817) for reducing security risk introduced by leaked password. The users can only be authenticated with CommonName based auth.
+- Support [users with no password](https://github.com/etcd-io/etcd/pull/9817) for reducing security risk introduced by leaked password. The users can only be authenticated with `CommonName` based auth.
 - Add `etcd --experimental-peer-skip-client-san-verification` to [skip verification of peer client address](https://github.com/etcd-io/etcd/pull/10524).
 - Add `etcd --experimental-compaction-batch-limit` to [sets the maximum revisions deleted in each compaction batch](https://github.com/etcd-io/etcd/pull/11034).
 - Reduced default compaction batch size from 10k revisions to 1k revisions to improve p99 latency during compactions and reduced wait between compactions from 100ms to 10ms.
@@ -87,7 +87,7 @@ See [code changes](https://github.com/etcd-io/etcd/compare/v3.3.0...v3.4.0) and
   - Improve [client balancer failover against secure endpoints](https://github.com/etcd-io/etcd/pull/10911).
     - Fix ["kube-apiserver 1.13.x refuses to work when first etcd-server is not available" (kubernetes#72102)](https://github.com/kubernetes/kubernetes/issues/72102).
   - Fix [gRPC panic "send on closed channel](https://github.com/etcd-io/etcd/issues/9956).
-  - [The new client balancer](https://github.com/etcd-io/etcd/blob/master/Documentation/learning/design-client.md) uses an asynchronous resolver to pass endpoints to the gRPC dial function. to block until the underlying connection is up, pass `grpc.WithBlock()` to `clientv3.Config.DialOptions`.
+  - [The new client balancer](https://github.com/etcd-io/etcd/blob/master/Documentation/learning/design-client.md) uses an asynchronous resolver to pass endpoints to the gRPC dial function. To block until the underlying connection is up, pass `grpc.WithBlock()` to `clientv3.Config.DialOptions`.
 - Require [*Go 1.12+*](https://github.com/etcd-io/etcd/pull/10045).
   - Compile with Go 1.12.9 including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
 - Migrate dependency management tool from `glide` to [Go module](https://github.com/etcd-io/etcd/pull/10063).