DOCS: Fix anchor and example typos

docs/reference/sql/language/index-patterns.asciidoc

@@ -1,6 +1,6 @@
 [role="xpack"]
 [testenv="basic"]
-[[sql-index-pattern]]
+[[sql-index-patterns]]
 == Index patterns
 
 {es-sql} supports two types of patterns for matching multiple indices or tables:

docs/reference/sql/language/syntax/show-columns.asciidoc

@@ -12,7 +12,7 @@ SHOW COLUMNS [ FROM | IN ]? [ table identifier<1> | [ LIKE pattern<2> ] ]
 <1> single table identifier or double quoted es multi index
 <2> SQL LIKE pattern
 
-See <<sql-index-pattern, index patterns>> for more information about
+See <<sql-index-patterns, index patterns>> for more information about
 patterns.
 
 .Description

docs/reference/sql/language/syntax/show-tables.asciidoc

@@ -12,7 +12,7 @@ SHOW TABLES [ table identifier<1> | [ LIKE pattern<2> ] ]?
 <1> single table identifier or double quoted es multi index
 <2> SQL LIKE pattern
 
-See <<sql-index-pattern, index patterns>> for more information about
+See <<sql-index-patterns, index patterns>> for more information about
 patterns.
 
 

x-pack/qa/sql/src/main/resources/docs.csv-spec

@@ -168,7 +168,7 @@ SHOW TABLES "*,-l*";
 emp            |BASE TABLE     
 employees      |ALIAS
 
-// end:showTablesEsMultiIndex
+// end::showTablesEsMultiIndex
 ;
 
 ///////////////////////////////