diff --git a/tests/rt_utils.sh b/tests/rt_utils.sh
index 3b7a9a3d5d..6881fbf75a 100755
--- a/tests/rt_utils.sh
+++ b/tests/rt_utils.sh
@@ -17,8 +17,8 @@ jobid=0
 redirect_out_err() {
     ( set -e -o pipefail ; ( "$@" 2>&1 1>&3 3>&- | tee err ) 3>&1 1>&2 | tee out )
     # The above shell redirection copies stdout to "out" and stderr to "err"
-    # while still sending them to stdout and stderr. It does this without
-    # relying on bash-specific extensions or non-standard OS features.
+    # while still sending them to stdout and stderr. It ensures the entire
+    # redirect_out_err command will return non-zero if "$@" or tee return non-zero.
 }
 
 function compute_petbounds_and_tasks() {