Merge #8625: [doc] - clarify statement about parallel jobs in rpc-tests.py

1467561 [doc] - clarify statement about parallel jobs in rpc-tests.py (isle2983)

Author: MarcoFalke

qa/README.md

@@ -41,8 +41,8 @@ Run all possible tests with
 
     qa/pull-tester/rpc-tests.py -extended
 
-By default, tests will be run in parallel if you want to specify how many
-tests should be run in parallel, append `-parallel=n` (default n=4).
+By default, tests will be run in parallel. To specify how many jobs to run,
+append `-parallel=n` (default n=4).
 
 If you want to create a basic coverage report for the rpc test suite, append `--coverage`.