Revert "periodic log stats: typo in docs fixed"

This reverts commit 68ba25cb69.

conftest.py

@@ -20,7 +20,7 @@ collect_ignore = [
     *_py_files("tests/CrawlerRunner"),
 ]
 
-with Path(r"C:/Users/georg/PycharmProjects/scrapy/tests/ignores.txt").open(encoding="utf-8") as reader:
+with Path("tests/ignores.txt").open(encoding="utf-8") as reader:
     for line in reader:
         file_path = line.strip()
         if file_path and file_path[0] != "#":

docs/topics/settings.rst

@@ -792,7 +792,7 @@ Allows to define concurrency/delay parameters on per slot(domain) basis:
     For other downloader slots default settings values will be used:
 
     -   :setting:`DOWNLOAD_DELAY`: ``delay``
-    -   :setting:`CONCURRENT_REQUESTS_PER_DOMAIN`: ``concurrency``
+    -   :setting:`CONCURRENT_REQUESTS_PER_DOMAIN`: ``concurency``
     -   :setting:`RANDOMIZE_DOWNLOAD_DELAY`: ``randomize_delay``