diff --git a/docs/development/extensions-core/lookups-cached-global.md b/docs/development/extensions-core/lookups-cached-global.md
index 15e1469de4a..5cfcbea01c2 100644
--- a/docs/development/extensions-core/lookups-cached-global.md
+++ b/docs/development/extensions-core/lookups-cached-global.md
@@ -211,8 +211,8 @@ The remapping values for each globally cached lookup can be specified by a JSON
 |Property|Description|Required|Default|
 |--------|-----------|--------|-------|
 |`pollPeriod`|Period between polling for updates|No|0 (only once)|
-|`uri`|URI for the file of interest, specified as a file, hdfs, s3 or gs path|No|Use `uriPrefix`|
-|`uriPrefix`|A URI that specifies a directory (or other searchable resource) in which to search for files|No|Use `uri`|
+|`uri`|URI for the lookup file. Can be a file, HDFS, S3 or GCS path|Either `uri` or `uriPrefix` must be set|None|
+|`uriPrefix`|A URI prefix that specifies a directory or other searchable resource where lookup files are located |Either `uri` or `uriPrefix` must be set|None|
 |`fileRegex`|Optional regex for matching the file name under `uriPrefix`. Only used if `uriPrefix` is used|No|`".*"`|
 |`namespaceParseSpec`|How to interpret the data at the URI|Yes||
 |`maxHeapPercentage`|The maximum percentage of heap size that the lookup should consume. If the lookup grows beyond this size, warning messages will be logged in the respective service logs.|No|10% of JVM heap size|