Update infra.bs

infra.bs

@@ -725,7 +725,7 @@ JavaScript <b>null</b> value. [[!ECMA-262]]
 
 <h3 id=numbers>Numbers</h3>
 
-<p class=XXX>Numbers are complicated, please see
+<p class=XXX>Numbers are complicated; please see
 <a href="https://github.com/whatwg/infra/issues/87">issue #87</a>. In due course we hope to offer
 more guidance here around types and mathematical operations. Help appreciated!
 
@@ -751,17 +751,17 @@ more guidance here around types and mathematical operations. Help appreciated!
 
 <hr>
 
-<p>An <dfn export>8-bit signed integer</dfn> is an integer in the range -128 to 127 (-2<sup>7</sup>
-to 2<sup>7</sup> &minus; 1), inclusive.
+<p>An <dfn export>8-bit signed integer</dfn> is an integer in the range &minus;128 to 127
+(&minus;2<sup>7</sup> to 2<sup>7</sup> &minus; 1), inclusive.
 
-<p>A <dfn export>16-bit signed integer</dfn> is an integer in the range -32768 to 32767
-(-2<sup>15</sup> to 2<sup>15</sup> &minus; 1), inclusive.
+<p>A <dfn export>16-bit signed integer</dfn> is an integer in the range &minus;32768 to 32767
+(&minus;2<sup>15</sup> to 2<sup>15</sup> &minus; 1), inclusive.
 
-<p>A <dfn export>32-bit signed integer</dfn> is an integer in the range -2147483648 to 2147483647
-(-2<sup>31</sup> to 2<sup>31</sup> &minus; 1), inclusive.
+<p>A <dfn export>32-bit signed integer</dfn> is an integer in the range &minus;2147483648 to
+2147483647 (&minus;2<sup>31</sup> to 2<sup>31</sup> &minus; 1), inclusive.
 
-<p>A <dfn export>64-bit signed integer</dfn> is an integer in the range -9223372036854775808 to
-9223372036854775807 (-2<sup>63</sup> to 2<sup>63</sup> &minus; 1), inclusive.
+<p>A <dfn export>64-bit signed integer</dfn> is an integer in the range &minus;9223372036854775808
+to 9223372036854775807 (&minus;2<sup>63</sup> to 2<sup>63</sup> &minus; 1), inclusive.
 
 
 <h3 id=bytes>Bytes</h3>