doc: Spell checking

Reported-by: Justin Pryzby
Author: Justin Pryzby
Backpatch-through: 9.6
Discussion: https://postgr.es/m/20200206021432.GA24549@telsasoft.com

Author: Amit Kapila

doc/src/sgml/bloom.sgml

@@ -65,8 +65,8 @@
      <para>
       Number of bits generated for each index column. Each parameter's name
       refers to the number of the index column that it controls.  The default
-      is <literal>2</literal> bits and maximum is <literal>4095</literal>.  Parameters for
-      index columns not actually used are ignored.
+      is <literal>2</literal> bits and the maximum is <literal>4095</literal>.
+      Parameters for index columns not actually used are ignored.
      </para>
     </listitem>
    </varlistentry>

doc/src/sgml/ref/alter_table.sgml

@@ -222,7 +222,7 @@ WITH ( MODULUS <replaceable class="parameter">numeric_literal</replaceable>, REM
 
      <para>
       <literal>SET NOT NULL</literal> may only be applied to a column
-      providing none of the records in the table contain a
+      provided none of the records in the table contain a
       <literal>NULL</literal> value for the column.  Ordinarily this is
       checked during the <literal>ALTER TABLE</literal> by scanning the
       entire table; however, if a valid <literal>CHECK</literal> constraint is