diff --git a/sections.html b/sections.html
index 4bed824..f304da4 100644
--- a/sections.html
+++ b/sections.html
@@ -24,14 +24,14 @@
             </ul>-->
         </p>
 
-        <h2 class="title" id="sec7">Section 9: MDPs and Review</h2>
+        <h2 class="title" id="sec9">Section 9: MDPs and Review</h2>
         <p class="head-subtitle">Monday, April 17</p>
         <ul class="lists">
             <li><a href="sections/section9/section9.pdf" target="_blank">PDF</a></li>
-            <li><a href="sections/section9/section9_soln.pdf.pdf" target="_blank">Solutions</a></li>
+            <li><a href="sections/section9/section9_soln.pdf" target="_blank">Solutions</a></li>
         </ul>
         
-        <h2 class="title" id="sec7">Section 8: Graphical Models and HMMs</h2>
+        <h2 class="title" id="sec8">Section 8: Graphical Models and HMMs</h2>
         <p class="head-subtitle">Monday, April 10</p>
         <ul class="lists">
             <li><a href="sections/section8/sec8.pdf" target="_blank">PDF</a></li>