Add description that norecursedirs ignores build

Author: sus-pe

src/_pytest/main.py

@@ -57,7 +57,7 @@
 def pytest_addoption(parser: Parser) -> None:
     parser.addini(
         "norecursedirs",
-        "Directory patterns to avoid for recursion",
+        "Directory patterns to avoid collecting (defaults to ignore build artifacts)",
         type="args",
         default=[
             "*.egg",