--- a/elasticsearch.rst	Tue Dec 19 17:26:06 2017 +0200
+++ b/elasticsearch.rst	Tue Dec 26 00:29:56 2017 +0200
@@ -116,6 +116,15 @@
 https://www.elastic.co/guide/en/elasticsearch/reference/master/query-dsl-simple-query-string-query.html
   Simple Query String Query
 
+ES Query DSL
+============
+
+``_exists_:<field>``, ``_missing_:<field>``::
+
+https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-exists-query.html
+  Exists Query
+
+
 Performance
 ===========
 

--- a/windows.rst	Tue Dec 19 17:26:06 2017 +0200
+++ b/windows.rst	Tue Dec 26 00:29:56 2017 +0200
@@ -509,7 +509,7 @@
   cmd> icacls %dir% /t /grant:r %user%:(f)
   cmd> icacls %dir% /t /grant:r *S-1-1-0:(f)
 
-Somtimes it fail due to permission inheritance, thry strip them::
+Somtimes it fail due to permission inheritance, try to strip them::
 
   cmd> icacls %dir% /inheritance:r /t /grant:r %user%:(f)