Add footnote that --schema is not supported in 5.24

Author: renetapopova

modules/ROOT/pages/tools/neo4j-admin/neo4j-admin-import.adoc

@@ -295,7 +295,7 @@ If you need to debug the import, it might be useful to collect the stack trace.
 This is done by using the `--verbose` option.
 |import.report
 
-|--schema=<path> label:new[Introduced in 5.24] label:enterprise[Enterprise edition]
+|--schema=<path> label:new[Introduced in 5.24] label:enterprise[Enterprise edition] footnote:new[The optional `--schema` option is currently available but not yet supported in this version. It will be available in a future release.]
 |Path to the file containing the Cypher commands for creating indexes and constraints during data import.
 |
 
@@ -337,6 +337,7 @@ performance, this value should not be greater than the number of available proce
 |
 |===
 
+
 [NOTE]
 .Heap size for the import
 ====
@@ -459,7 +460,7 @@ For example:
 
 [source, shell, role=noplay]
 ----
-bin/neo4j-admin database import full neo4j --nodes=import/movies.csv --nodes=import/actors.csv --relationships=import/roles.csv --schema=import/schema.cypher 
+bin/neo4j-admin database import full neo4j --nodes=import/movies.csv --nodes=import/actors.csv --relationships=import/roles.csv --schema=import/schema.cypher
 ----