Fix various typos (#567)

Signed-off-by: Kentaro Hayashi <[email protected]>

Author: kenhys

configuration/config-file-yaml.md

@@ -470,7 +470,7 @@ This section describes some useful features for the configuration file.
 You can write multiline values for `"` quoted string, array and hash values.
 
 ```yaml
-str_param: "foo  # Converts to "foo bar". As NL interpretation will be required for continuos newlines.
+str_param: "foo  # Converts to "foo bar". As NL interpretation will be required for continuous newlines.
 bar"
 
 str_param: "foo  # Converts to "foo\nbar".

formatter/README.md

@@ -16,7 +16,7 @@ This article gives an overview of the Formatter Plugin.
 
 ## Overview
 
-Sometimes, the output format for an output plugin does not meet one's needs. Fluentd has a pluggable system called Formatter that lets the user extend and re-use custom output formats.
+Sometimes, the output format for an output plugin does not meet one's needs. Fluentd has a pluggable system called Formatter that lets the user extend and reuse custom output formats.
 
 ## How To Use
 

how-to-guides/free-alternative-to-splunk-by-fluentd.md

@@ -145,7 +145,7 @@ $ sudo systemctl restart rsyslog
 
 Once Fluentd receives some event logs from `rsyslog` and has flushed them to Elasticsearch, you can view, search and visualize the log data using Kibana.
 
-For starters, let's access `http://localhost:5601` and click the `Set up index patters` button in the upper-right corner of the screen.
+For starters, let's access `http://localhost:5601` and click the `Set up index patterns` button in the upper-right corner of the screen.
 
 ![Kibana Top Menu](../.gitbook/assets/kibana6-screenshot-topmenu.png)
 

how-to-guides/splunk-like-grep-and-alert-email.md

@@ -45,7 +45,7 @@ Here is the full configuration example \(copy and edit as needed\):
   count_interval 3  # The time window for counting errors (in secs)
   input_key code    # The field to apply the regular expression
   regexp ^5\d\d$    # The regular expression to be applied
-  threshold 1       # The minimum number of erros to trigger an alert
+  threshold 1       # The minimum number of errors to trigger an alert
   add_tag_prefix error_5xx  # Generate tags like "error_5xx.apache.access"
 </match>
 

input/tail.md

@@ -443,7 +443,7 @@ Example:
 <group>
   <rule>
     match {
-        directoy: /payment/
+        directory: /payment/
     }
     limit 2000
   </rule>

plugin-development/api-plugin-filter.md

@@ -32,7 +32,7 @@ module Fluent::Plugin
     # end
 
     def filter(tag, time, record)
-      # Since our example is a pass-thru filter, it does nothing and just
+      # Since our example is a pass-through filter, it does nothing and just
       # returns the record as-is.
       # If returns nil, that records are ignored.
       record