Merge pull request #1781 from elastic/h1-seo

Modifies H1 titles for better SEO

Author: kosabogi

docs/reference/ex_open.md

@@ -1,9 +1,10 @@
 ---
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/client/curator/current/ex_open.html
+navigation_title: open
 ---
 
-# open [ex_open]
+# open action examples [ex_open]
 
 ```yaml
 ---

docs/reference/fe_max_num_segments.md

@@ -1,9 +1,10 @@
 ---
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/client/curator/current/fe_max_num_segments.html
+navigation_title: max_num_segments
 ---
 
-# max_num_segments [fe_max_num_segments]
+# max_num_segments filter element [fe_max_num_segments]
 
 ::::{note}
 This setting is only used with the [forcemerged](/reference/filtertype_forcemerged.md) filtertype.

docs/reference/fe_pattern.md

@@ -1,9 +1,10 @@
 ---
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/client/curator/current/fe_pattern.html
+navigation_title: pattern
 ---
 
-# pattern [fe_pattern]
+# pattern filter element [fe_pattern]
 
 ::::{note}
 This setting is only used with the [count](/reference/filtertype_count.md) filtertype

docs/reference/filtertype_pattern.md

@@ -1,9 +1,10 @@
 ---
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/client/curator/current/filtertype_pattern.html
+navigation_title: pattern
 ---
 
-# pattern [filtertype_pattern]
+# pattern filter type [filtertype_pattern]
 
 ```yaml
 - filtertype: pattern

docs/reference/open.md

@@ -1,9 +1,10 @@
 ---
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/client/curator/current/open.html
+navigation_title: open
 ---
 
-# Open [open]
+# Open action [open]
 
 ```yaml
 action: open

docs/reference/option_mns.md

@@ -1,9 +1,10 @@
 ---
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/client/curator/current/option_mns.html
+navigation_title: max_num_segments
 ---
 
-# max_num_segments [option_mns]
+# max_num_segments option [option_mns]
 
 ::::{note}
 This setting is required when using the [forceMerge action](/reference/forcemerge.md).