Docs: fix a form error and a grammatical error in float.rst

Author: F18-Maverick

Doc/c-api/float.rst

@@ -96,7 +96,7 @@ NaNs (if such things exist on the platform) isn't handled correctly, and
 attempting to unpack a bytes string containing an IEEE INF or NaN will raise an
 exception.
 
-Note that NaNs type may not be preserved on IEEE platforms (silent NaN become
+Note that NaN types may not be preserved on IEEE platforms (silent NaN become
 quiet), for example on x86 systems in 32-bit mode.
 
 On non-IEEE platforms with more precision, or larger dynamic range, than IEEE
@@ -111,7 +111,7 @@ Pack functions
 
 The pack routines write 2, 4 or 8 bytes, starting at *p*. *le* is an
 :c:expr:`int` argument, non-zero if you want the bytes string in little-endian
-format (exponent last, at ``p+1``, ``p+3``, or ``p+6`` ``p+7``), zero if you
+format (exponent last, at ``p+1``, ``p+3``, or ``p+6`` and ``p+7``), zero if you
 want big-endian format (exponent first, at *p*). The :c:macro:`PY_BIG_ENDIAN`
 constant can be used to use the native endian: it is equal to ``1`` on big
 endian processor, or ``0`` on little endian processor.