address a comment

Co-authored-by: Gina Peter Banyard <[email protected]>

Author: SakiTakamachi

reference/bc/bcmath/number/construct.xml

@@ -23,10 +23,11 @@
     <term><parameter>num</parameter></term>
     <listitem>
      <simpara>
-      An <type>int</type> or <type>string</type> value. If <parameter>num</parameter> is a
-      <type>int</type>, The <property>BcMath\Number::scale</property> is always set to <literal>0</literal>.
-      If <parameter>num</parameter> is a <type>string</type>, it must be a valid number.
-      The <property>BcMath\Number::scale</property> is automatically set by parsing the string.
+      An <type>int</type> or <type>string</type> value.
+      If <parameter>num</parameter> is a  <type>int</type>,
+      the <property>BcMath\Number::scale</property> is always set to <literal>0</literal>.
+      If <parameter>num</parameter> is a <type>string</type>, it must be a valid number,
+      and the <property>BcMath\Number::scale</property> is automatically set by parsing the string.
      </simpara>
     </listitem>
    </varlistentry>