diff --git a/tests/testthat/test-s4_analysis_functs_1.R b/tests/testthat/test-s4_analysis_functs_1.R
index 0bfe42d..0db5d46 100644
--- a/tests/testthat/test-s4_analysis_functs_1.R
+++ b/tests/testthat/test-s4_analysis_functs_1.R
@@ -200,7 +200,7 @@ test_that("set_analysis_parameters", {
         discovery_pairs = discovery_pairs,
         control_group = "nt_cells"
       ),
-    regex = "`control_group` cannot be `nt_cells` in high-MOI."
+    regex = "The control group cannot be the NT cells in high MOI."
   )
 
 })