diff --git a/pyproject.toml b/pyproject.toml
index 41fe385..a43118e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ maintainers = [
   { name="Simon J.L. Billinge group", email="simon.billinge@gmail.com" },
 ]
 description = "Shared utilities for diffpy packages"
-keywords = ['"text data parsers" "wx grid" "diffraction objects"']
+keywords = ["text data parsers", "wx grid", "diffraction objects"]
 readme = "README.rst"
 requires-python = ">=3.11, <3.14"
 classifiers = [