diff --git a/tests/testthat/test-valid-term.R b/tests/testthat/test-valid-term.R
index 994f982..992566c 100644
--- a/tests/testthat/test-valid-term.R
+++ b/tests/testthat/test-valid-term.R
@@ -1,7 +1,7 @@
 test_that("valid_term character", {
   expect_error(
     valid_term(NA_character_),
-    "`x` must inherit from S3 class 'term'[.]",
+    "`x` must inherit from S3 class 'term'",
     class = "chk_error"
   )
 })