update the comment of constantCallTimeoutMs

Author: 317787106

common/src/main/resources/reference.conf

@@ -699,7 +699,7 @@ vm = {
   # Max retry time for executing transaction in estimating energy
   estimateEnergyMaxRetry = 3
 
-  # Specify constant call timeout
+  # Max TVM execution time (ms) for constant calls. 0 means no effect
   constantCallTimeoutMs = 0
 }
 

framework/src/main/resources/config.conf

@@ -750,7 +750,7 @@ vm = {
   # Omit the property entirely to keep the default behaviour of sharing the
   # block-processing deadline. Migration note: if previously running --debug
   # to extend constant calls, switch to this option (--debug also extends
-  # block-processing, which is unsafe; see issue #6266).
+  # block-processing, which is unsafe; see issue #6266). Default: 0.
   # constantCallTimeoutMs = 100
 }