[DOCS] Fixes errors in KQL examples (#81223) (#81479)

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

docs/discover/kuery.asciidoc

@@ -115,7 +115,7 @@ KQL supports `>`, `>=`, `<`, and `<=`. For example:
 
 [source,yaml]
 -------------------
-account_number:>=100 and items_sold:<=200
+account_number >= 100 and items_sold <= 200
 -------------------
 
 [discrete]

docs/user/dashboard/dashboard-drilldown.asciidoc

@@ -57,8 +57,8 @@ TIP: If you don’t see data for a panel, try changing the time range.
 . Set a search and filter.
 +
 [%hardbreaks]
-Search: `extension.keyword:( “gz” or “css” or “deb”)`
-Filter: `geo.src : CN`
+Search: `extension.keyword: ("gz" or "css" or "deb")`
+Filter: `geo.src: CN`
 
 
 *Create the drilldown*
@@ -94,4 +94,3 @@ image::images/drilldown_on_panel.png[Drilldown on pie chart that navigates to an
 +
 You are navigated to your destination dashboard. Verify that the search query, filters,
 and time range are carried over.
-