[MINOR] Fix typos

### What changes were proposed in this pull request?
- Fix some typos.

### Why are the changes needed?
- Ditto.

### Does this PR introduce _any_ user-facing change?
- No.

### How was this patch tested?
- No need.

Closes apache#2214 from Radeity/fix-typo.

Authored-by: Aaron Wang <[email protected]>
Signed-off-by: zky.zhoukeyong <[email protected]>

common/src/main/scala/org/apache/celeborn/common/CelebornConf.scala

@@ -1360,7 +1360,7 @@ object CelebornConf extends Logging {
     buildConf("celeborn.network.memory.allocator.verbose.metric")
       .categories("network")
       .version("0.3.0")
-      .doc("Weather to enable verbose metric for pooled allocator.")
+      .doc("Whether to enable verbose metric for pooled allocator.")
       .booleanConf
       .createWithDefault(false)
 

docs/configuration/network.md

@@ -44,7 +44,7 @@ license: |
 | celeborn.network.bind.preferIpAddress | true | When `ture`, prefer to use IP address, otherwise FQDN. This configuration only takes effects when the bind hostname is not set explicitly, in such case, Celeborn will find the first non-loopback address to bind. | 0.3.0 | 
 | celeborn.network.connect.timeout | 10s | Default socket connect timeout. | 0.2.0 | 
 | celeborn.network.memory.allocator.numArenas | <undefined> | Number of arenas for pooled memory allocator. Default value is Runtime.getRuntime.availableProcessors, min value is 2. | 0.3.0 | 
-| celeborn.network.memory.allocator.verbose.metric | false | Weather to enable verbose metric for pooled allocator. | 0.3.0 | 
+| celeborn.network.memory.allocator.verbose.metric | false | Whether to enable verbose metric for pooled allocator. | 0.3.0 | 
 | celeborn.network.timeout | 240s | Default timeout for network operations. | 0.2.0 | 
 | celeborn.port.maxRetries | 1 | When port is occupied, we will retry for max retry times. | 0.2.0 | 
 | celeborn.rpc.askTimeout | 60s | Timeout for RPC ask operations. It's recommended to set at least `240s` when `HDFS` is enabled in `celeborn.storage.activeTypes` | 0.2.0 |