diff --git a/src/_pytest/cacheprovider.py b/src/_pytest/cacheprovider.py
index f752065dc..50a474a29 100755
--- a/src/_pytest/cacheprovider.py
+++ b/src/_pytest/cacheprovider.py
@@ -499,10 +499,10 @@ def pytest_addoption(parser: Parser) -> None:
         dest="last_failed_no_failures",
         choices=("all", "none"),
         default="all",
-        help="With ``--lf``, determines whether to execute tests when there"
-        "are no previously (known) failures or when no"
-        "cached ``lastfailed`` data was found."
-        "``all`` (the default) runs the full test suite again."
+        help="With ``--lf``, determines whether to execute tests when there "
+        "are no previously (known) failures or when no "
+        "cached ``lastfailed`` data was found. "
+        "``all`` (the default) runs the full test suite again. "
         "``none`` just emits a message about no known failures and exits successfully.",
     )