bootstrap: Improve wording on docs for `verbose-tests`

diff --git a/config.toml.example b/config.toml.example
index 79e4e46d85ba344ea441ea279ae17923903610e2..01952b21ba4b1fe9a07f76b246b65e3a0151760c 100644 (file)
--- a/config.toml.example
+++ b/config.toml.example
@@ -391,8 +391,7 @@
 # desired in distributions, for example.
 #rpath = true
 
-# Emits extraneous output from tests to ensure that failures of the test
-# harness are debuggable just from logfiles.
+# Emits extra output from tests so test failures are debuggable just from logfiles.
 #verbose-tests = false
 
 # Flag indicating whether tests are compiled with optimizations (the -O flag).