fix: Followups on Querying Data page (#454)

Author: tstirrat15

app/spicedb/concepts/querying-data/page.mdx

@@ -63,7 +63,7 @@ It's always preferable to perform one call to `CheckBulkPermissions` with N chec
 
 ## LookupResources
 
-Send Many:
+Send:
 
 - Subject Type
 - Subject ID
@@ -83,7 +83,7 @@ we recommend evaluating [Materialize](/authzed/concepts/authzed-materialize).
 
 ## LookupSubjects
 
-Send Many:
+Send:
 
 - Subject Type
 - Permission (or relation)