diff --git a/pandas/core/config_init.py b/pandas/core/config_init.py
index 1dc09388b698f..7d511bc20a193 100644
--- a/pandas/core/config_init.py
+++ b/pandas/core/config_init.py
@@ -265,7 +265,7 @@ def use_numba_cb(key) -> None:
 """
 
 pc_max_info_rows_doc = """
-: int
+: int or None
     df.info() will usually show null-counts for each column.
     For large frames this can be quite slow. max_info_rows and max_info_cols
     limit this null check only to frames with smaller dimensions than
@@ -322,7 +322,7 @@ def is_terminal() -> bool:
         "max_info_rows",
         1690785,
         pc_max_info_rows_doc,
-        validator=is_int,
+        validator=is_instance_factory((int, type(None))),
     )
     cf.register_option("max_rows", 60, pc_max_rows_doc, validator=is_nonnegative_int)
     cf.register_option(
@@ -899,4 +899,4 @@ def register_converter_cb(key) -> None:
         "dtype, which will be the default in pandas 3.0 "
         "(at which point this option will be deprecated).",
         validator=is_one_of_factory([True, False]),
-    )
+    )
\ No newline at end of file