Minor typos in docs examples (#176)

Co-authored-by: João Duarte <[email protected]>

Author: wallrik

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 4.4.3
+  - Minor typos in docs examples [#176](https://github.com/logstash-plugins/logstash-filter-grok/pull/176)
+
 ## 4.4.2
   - Clarify the definition of matches that depend on previous captures [#169](https://github.com/logstash-plugins/logstash-filter-grok/pull/169)
 

docs/index.asciidoc

@@ -289,7 +289,7 @@ To perform matches on multiple fields just use multiple entries in the `match` h
       grok {
         match => {
           "speed" => "Speed: %{NUMBER:speed}"
-          "duration => "Duration: %{NUMBER:duration}"
+          "duration" => "Duration: %{NUMBER:duration}"
         }
       }
     }
@@ -306,7 +306,7 @@ However, if one pattern depends on a field created by a previous pattern, separa
       }
       grok {
         match => {
-          "rest => "a number %{NUMBER"number}, and a word %{WORD:word}"
+          "rest" => "a number %{NUMBER:number}, and a word %{WORD:word}"
         }
       }
     }

logstash-filter-grok.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name            = 'logstash-filter-grok'
-  s.version         = '4.4.2'
+  s.version         = '4.4.3'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = "Parses unstructured event data into fields"
   s.description     = "This gem is a Logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program"