refine comments

windtalker · May 13, 2020 · 1ce94ee · 1ce94ee
1 parent 00f2da1
commit 1ce94ee
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go
@@ -199,7 +199,7 @@ const (
 	TiDBOptCPUFactor = "tidb_opt_cpu_factor"
 	// tidb_opt_copcpu_factor is the CPU cost of processing one expression for one row in coprocessor.
 	TiDBOptCopCPUFactor = "tidb_opt_copcpu_factor"
-	// tidb_opt_copcpu_factor is the CPU cost of processing one expression for one row in coprocessor.
+	// tidb_opt_tiflash_concurrency_factor is concurrency number of tiflash computation.
 	TiDBOptTiFlashConcurrencyFactor = "tidb_opt_tiflash_concurrency_factor"
 	// tidb_opt_network_factor is the network cost of transferring 1 byte data.
 	TiDBOptNetworkFactor = "tidb_opt_network_factor"