Update notebooks

meatballs · meatballs · commit 807f8152d64c · 2018-05-14T15:13:39.000+01:00
diff --git a/chapters/08/index.html b/chapters/08/index.html
@@ -141,7 +141,8 @@ <h1 id="Link-Tables-Together">Link Tables Together<a class="anchor-link" href="#
 <div class="inner_cell">
 <div class="text_cell_render border-box-sizing rendered_html">
 <p>We dropped our readings table earlier, so it no longer exists.</p>
-<p>We'll need to re-create it but this time we'll add an extra 'Foreign Key' constraint to ensure that any values in the 'flight' column must be valid entries in our new 'flights' table using:</p>
+<p>We'll need to re-create it but this time we'll add an extra 'Foreign Key' constraint.</p>
+<p>This will ensure that any values in the 'flight' column must be valid entries in our new 'flights' table using:</p>
 <div class="highlight"><pre><span></span><span class="k">CREATE</span> <span class="k">TABLE</span> <span class="n">readings</span> <span class="p">(</span>
     <span class="n">flight</span>    <span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">10</span><span class="p">)</span> <span class="k">NOT</span> <span class="k">NULL</span><span class="p">,</span>
     <span class="n">ts</span>        <span class="k">TIMESTAMP</span> <span class="k">NOT</span> <span class="k">NULL</span><span class="p">,</span>
diff --git a/notebooks b/notebooks
@@ -1 +1 @@
-Subproject commit 7701e5594677a1f7bc841592a7a5fb3a007834e9
+Subproject commit 1320438b00b4ada7014012eba4a7ed071ccd724c
