Fix typos (#512)

Signed-off-by: Watson <watson1978@gmail.com>

Author: Watson1978

configuration/config-file-yaml.md

@@ -447,7 +447,7 @@ If you set the environment variable `FLUENTD_TAG` to `dev`, this evaluates to `a
 
 ## Supported Data Types for Values
 
-Pease refer to: [Supported Data Types for Values | Fluentd official document](../config-file#supported-data-types-for-values)
+Please refer to: [Supported Data Types for Values | Fluentd official document](../config-file#supported-data-types-for-values)
 
 ## Common Plugin Parameters
 

input/http.md

@@ -23,7 +23,7 @@ For the full list of the configurable options, see the [Parameters](http.md#para
 ## Basic Usage
 
 By default, the data format depends on the `Content-Type`.
-In summary, you can send the follwoing format.
+In summary, you can send the following format.
 
 * `json`
 * `ndjson`

input/tail.md

@@ -123,7 +123,7 @@ For timezone format, see [Timezone Section](../configuration/format-section.md#t
 
 This parameter permits to extend glob patterns on `path` and `exclude_path` parameters.
 When specifying `extended`, users can use `[]` and `?` in glob patterns.
-When specifying `always`, users can use `[]`, `?`, and additonally `{}` in glob patterns.
+When specifying `always`, users can use `[]`, `?`, and additionally `{}` in glob patterns.
 
 However, `always` option is not able to use with the default value of `path_delimiter`.
 When using the default value of `path_delimiter`, it will be marked as `Fluent::ConfigError`.

metrics/local.md

@@ -24,7 +24,7 @@ With this configuration:
 </system>
 ```
 
-The above configuration will save the internal metrics for plugins on memory. As a result, you can retrive metrics from memory and also you can replace with your custom metrics plugin.
+The above configuration will save the internal metrics for plugins on memory. As a result, you can retrieve metrics from memory and also you can replace with your custom metrics plugin.
 
 Actually, @type local metrics plugin has equivalent functionality for previous single value based Ruby instance variables.
 This behavior will be changed by other 3rd party plugins.

output/copy.md

@@ -167,7 +167,7 @@ Since Fluentd v1.12.2, you can use `ignore_if_prev_success` to define fallback o
 </match>
 ```
 
-Fluentd will make use of plugin2 only if the preceeding destinations \(plugin1 in this case\) fail.
+Fluentd will make use of plugin2 only if the preceding destinations \(plugin1 in this case\) fail.
 
 If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation \(CNCF\)](https://cncf.io/). All components are available under the Apache 2 License.