bpo-38096: Clean up the "struct sequence" / "named tuple" docs (GH-15895) (GH-15961)

diff --git a/Objects/floatobject.c b/Objects/floatobject.c
index 15cbe5c..d909e41 100644
--- a/Objects/floatobject.c
+++ b/Objects/floatobject.c
@@ -43,7 +43,7 @@
 PyDoc_STRVAR(floatinfo__doc__,
 "sys.float_info\n\
 \n\
-A structseq holding information about the float type. It contains low level\n\
+A named tuple holding information about the float type. It contains low level\n\
 information about the precision and internal representation. Please study\n\
 your system's :file:`float.h` for more information.");
 
diff --git a/Objects/longobject.c b/Objects/longobject.c
index 50ea2a4..708934c 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -5771,7 +5771,7 @@
 PyDoc_STRVAR(int_info__doc__,
 "sys.int_info\n\
 \n\
-A struct sequence that holds information about Python's\n\
+A named tuple that holds information about Python's\n\
 internal representation of integers.  The attributes are read only.");
 
 static PyStructSequence_Field int_info_fields[] = {