diff --git a/docs/configuration.md b/docs/configuration.md
index d2878191bc238..af08b0727e986 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -986,7 +986,8 @@ Apart from these, the following properties are also available, and may be useful
spark.rpc.numRetries |
3 |
- How many times for an RPC ask operation to retry before giving up.
+ Number of times to retry before an RPC task gives up.
+ An RPC task will run at most times of this number.
|
@@ -994,20 +995,20 @@ Apart from these, the following properties are also available, and may be useful
spark.rpc.retry.wait |
3s |
- How long for an RPC ask operation to wait before starting the next retry.
+ Duration for an RPC ask operation to wait before retrying.
|
spark.rpc.askTimeout |
30s |
- How long for an RPC ask operation to wait before timing out.
+ Duration for an RPC ask operation to wait before timing out.
|
spark.rpc.lookupTimeout |
30s |
- How long for an RPC remote endpoint lookup operation to wait before timing out.
+ Duration for an RPC remote endpoint lookup operation to wait before timing out.
|