diff --git a/format/FlightSql.proto b/format/FlightSql.proto
index 0d0a24cdabbf8..ceefff60d74b5 100644
--- a/format/FlightSql.proto
+++ b/format/FlightSql.proto
@@ -1797,7 +1797,7 @@ message DoPutUpdateResult {
 message ActionCancelQueryRequest {
   option (experimental) = true;
 
-  // The result of the GetFlightInfo RPC that initated the query.
+  // The result of the GetFlightInfo RPC that initiated the query.
   // XXX(ARROW-16902): this must be a serialized FlightInfo, but is
   // rendered as bytes because Protobuf does not really support one
   // DLL using Protobuf definitions from another DLL.
@@ -1821,10 +1821,10 @@ message ActionCancelQueryResult {
     // the same payload may return CANCELLED or a NOT_FOUND error.
     CANCEL_RESULT_CANCELLED = 1;
     // The cancellation request is in progress. The client may retry
-    // the request.
+    // the cancellation request.
     CANCEL_RESULT_CANCELLING = 2;
     // The query is not cancellable. The client should not retry the
-    // request.
+    // cancellation request.
     CANCEL_RESULT_NOT_CANCELLABLE = 3;
   }