diff --git a/.gitignore b/.gitignore
index a25212ea..90d4ef7a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@ __pycache__/
 .Python
 env/
 build/
+_build/
 develop-eggs/
 dist/
 downloads/
diff --git a/pyproject.toml b/pyproject.toml
index 852f9dec..f46d1752 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,12 +6,12 @@ build-backend = "setuptools.build_meta"
 name = "diffpy.pdfgui"
 dynamic=['version', 'dependencies']
 authors = [
-  { name="Simon J.L. Billinge group", email="simon.billinge@gmail.com" },
+  { name="Simon J.L. Billinge group", email="sb2896@columbia.edu" },
 ]
 maintainers = [
-  { name="Simon J.L. Billinge group", email="simon.billinge@gmail.com" },
+  { name="Simon J.L. Billinge group", email="sb2896@columbia.edu" },
 ]
-description = "GUI for PDF simulation and structure refinement."
+description = "Graphical user interface program for structure refinements to the atomic pair distribution function."
 keywords = ['PDF structure refinement GUI']
 readme = "README.rst"
 requires-python = ">=3.11, <3.14"
diff --git a/requirements/build.txt b/requirements/build.txt
deleted file mode 100644
index e69de29b..00000000
diff --git a/requirements/docs.txt b/requirements/docs.txt
index ab17b1c8..5f34c6ed 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -1,4 +1,5 @@
 sphinx
 sphinx_rtd_theme
+sphinx-copybutton
 doctr
 m2r