diff --git a/src/_pytest/assertion/__init__.py b/src/_pytest/assertion/__init__.py
index 7b5a5889d..b38c6c006 100644
--- a/src/_pytest/assertion/__init__.py
+++ b/src/_pytest/assertion/__init__.py
@@ -27,11 +27,12 @@ def pytest_addoption(parser):
         choices=("rewrite", "plain"),
         default="rewrite",
         metavar="MODE",
-        help="""Control assertion debugging tools.  'plain'
-                            performs no assertion debugging.  'rewrite'
-                            (the default) rewrites assert statements in
-                            test modules on import to provide assert
-                            expression information.""",
+        help=(
+            "Control assertion debugging tools.\n"
+            "'plain' performs no assertion debugging.\n"
+            "'rewrite' (the default) rewrites assert statements in test modules"
+            " on import to provide assert expression information."
+        ),
     )
     parser.addini(
         "enable_assertion_pass_hook",
diff --git a/src/_pytest/cacheprovider.py b/src/_pytest/cacheprovider.py
index ce820ca2b..511ee2acf 100755
--- a/src/_pytest/cacheprovider.py
+++ b/src/_pytest/cacheprovider.py
@@ -397,9 +397,9 @@ def pytest_addoption(parser):
         "--failed-first",
         action="store_true",
         dest="failedfirst",
-        help="run all tests but run the last failures first.  "
+        help="run all tests, but run the last failures first.\n"
         "This may re-order tests and thus lead to "
-        "repeated fixture setup/teardown",
+        "repeated fixture setup/teardown.",
     )
     group.addoption(
         "--nf",
diff --git a/src/_pytest/helpconfig.py b/src/_pytest/helpconfig.py
index ae37fdea4..11fd02462 100644
--- a/src/_pytest/helpconfig.py
+++ b/src/_pytest/helpconfig.py
@@ -57,7 +57,7 @@ def pytest_addoption(parser):
         dest="plugins",
         default=[],
         metavar="name",
-        help="early-load given plugin module name or entry point (multi-allowed). "
+        help="early-load given plugin module name or entry point (multi-allowed).\n"
         "To avoid loading of plugins, use the `no:` prefix, e.g. "
         "`no:doctest`.",
     )
diff --git a/src/_pytest/mark/__init__.py b/src/_pytest/mark/__init__.py
index 134ed1876..242b1e0ca 100644
--- a/src/_pytest/mark/__init__.py
+++ b/src/_pytest/mark/__init__.py
@@ -79,8 +79,8 @@ def pytest_addoption(parser):
         dest="markexpr",
         default="",
         metavar="MARKEXPR",
-        help="only run tests matching given mark expression.  "
-        "example: -m 'mark1 and not mark2'.",
+        help="only run tests matching given mark expression.\n"
+        "For example: -m 'mark1 and not mark2'.",
     )
 
     group.addoption(