Update pyproject.toml

Author: ludgerpaehler

pyproject.toml

@@ -12,7 +12,7 @@ classifiers = [
     "Programming Language :: Python",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
-    "Development Status :: 2 - Pre-Alpha Copy",
+    "Development Status :: 2 - Pre-Alpha",
     "Intended Audience :: Science/Research",
 ]
 include = [
@@ -48,4 +48,4 @@ ignore-words-list = "crate,"
 
 [build-system]
 requires = ["poetry-core"]
-build-backend = "poetry.core.masonry.api"
+build-backend = "poetry.core.masonry.api"