diff --git a/README.md b/README.md
index a06f038c25b7cc39fe9845af39678c76309e847e..6581fabcd3571c39dcaac7b12a9de1955847f519 100644
--- a/README.md
+++ b/README.md
@@ -31,11 +31,15 @@ Run container:`docker run -p 8080:8080 -p 9090:9090 cce`
 
 * `/tree/` -- returns the current tree state for the only cloud service present (returns error if handling multiple services)
 * `/{cloud-service-ID}/` -- returns the current tree state for the specified cloud service
-* `/{cloud-service-ID}?time={timestamp}` -- returns the tree state for the specified service valid at the time specified (valid formats are ISO 8601 and "yyyyMMddHHmmss" (UTC timezone))
+* `/{cloud-service-ID}?time={timestamp}` -- returns the tree state for the specified service valid at the time specified
 * `/{cloud-service-ID}/statistics?start={timestamp}&end={timestamp}` -- returns the statistics for the specified cloud service and the time period between start and end times. End time is optional (defaults to current time).
 * `/{cloud-service-ID}/listHistory` -- returns a list (tree state ID and timestamp) of all saved tree states for the specified cloud service
 * `/history/{treeStateId}` -- returns the specific tree state by ID
 
+ 
+> Valid formats for passing time parameters are ISO 8601 (which must include milliseconds) and "yyyyMMddHHmmss" (where UTC timezone is applied).  
+Example: `2022-07-12T14:50:08.000Z` or `20220712145008`
+
 ### Local usage and development
 
 #### Requirements