diff --git a/slides/cse501/2018/index.html b/slides/cse501/2018/index.html
index 93b2c872..5a23fc24 100644
--- a/slides/cse501/2018/index.html
+++ b/slides/cse501/2018/index.html
@@ -703,7 +703,7 @@ Sampling (x10), 300, 242.5666234549135, 300, 119.61607021316885, 162.00108394436
             <dd class="fragment" data-fragment-index="2">We can efficiently compute a conservative approximation of $\mathcal C$.
 
             <dt>Completeness (for some queries)</dt>
-            <dd class="fragment" data-fragment-index="3">$Q(\mathcal C(\mathcal D)) = \mathcal C(Q(\mathcal D))$ ...if $Q$ is <i>safe</i></dd>
+            <dd class="fragment" data-fragment-index="3">$Q(\mathcal C(\mathcal D)) = \mathcal C(Q(\mathcal D))$ ...if $Q$ is <i>???</i> (work in progress)</dd>
           </dl>
         </section>
 
diff --git a/src/demoday/index.md b/src/demoday/index.md
index 5475e55a..e9cda6d2 100644
--- a/src/demoday/index.md
+++ b/src/demoday/index.md
@@ -33,4 +33,4 @@ This year's participating classes include:
 
 ## Previous Demo Days
 * [2016 Fall Demo Day](2016fa.html)
-* [2016 Fall Demo Day](2017fa.html)
\ No newline at end of file
+* [2017 Fall Demo Day](2017fa.html)
\ No newline at end of file