diff --git a/libvirt/tests/src/virsh_cmd/domain/virsh_domfstrim.py b/libvirt/tests/src/virsh_cmd/domain/virsh_domfstrim.py
index 76edd2b1a5..bf78f762d3 100644
--- a/libvirt/tests/src/virsh_cmd/domain/virsh_domfstrim.py
+++ b/libvirt/tests/src/virsh_cmd/domain/virsh_domfstrim.py
@@ -197,7 +197,7 @@ def _full_mapped():
         def _trim_completed():
             """
             Do empty fstrim check
-            :return: True of False
+            :return: True or False
             """
             cmd_result = virsh.domfstrim(vm_name, minimum, mountpoint, options,
                                          unprivileged_user=unprivileged_user,