Fix links in LOAD CSV page. (#595)

Author: stefano-ottolenghi

modules/ROOT/pages/clauses/load-csv.adoc

@@ -20,7 +20,7 @@
   Alternatively, `LOAD CSV` also supports accessing CSV files via _HTTPS_, _HTTP_, and _FTP_.
 * `LOAD CSV` supports resources compressed with _gzip_ and _Deflate_. Additionally `LOAD CSV` supports locally stored CSV files compressed with _ZIP_.
 * `LOAD CSV` will follow _HTTP_ redirects but for security reasons it will not follow redirects that changes the protocol, for example if the redirect is going from _HTTPS_ to _HTTP_.
-* `LOAD CSV` is often used in conjunction with the query clause `+CALL { ... } IN TRANSACTIONS+`, see xref::clauses/call-subquery#subquery-call-in-transactions[].
+* `LOAD CSV` is often used in conjunction with the query clause xref:clauses/call-subquery#subquery-call-in-transactions[`CALL { ... } IN TRANSACTIONS`].
 
 
 .Configuration settings for file URLs
@@ -222,8 +222,8 @@ This reduces the memory overhead of the transaction state.
 
 [NOTE]
 ====
-The query clause `+CALL { ... } IN TRANSACTIONS+` is only allowed in xref::introduction/transactions.adoc[implicit (auto-commit or `:auto`) transactions].
-For more information, see xref::clauses/call-subquery#subquery-call-in-transactions[].
+The query clause `CALL { ... } IN TRANSACTIONS` is only allowed in xref::introduction/transactions.adoc[implicit (auto-commit or `:auto`) transactions].
+For more information, see xref:clauses/call-subquery#subquery-call-in-transactions[Subqueries in transactions].
 ====
 
 .+artists.csv+