diff --git a/courses/COGS-2340.html b/courses/COGS-2340.html
index 2c23d4f5d..81889e255 100644
--- a/courses/COGS-2340.html
+++ b/courses/COGS-2340.html
@@ -146,7 +146,7 @@
                     <li>Benjamin P. Weissman</li>
                   </ul>
                   <span class="course-capacity">
-                    Seats Taken: 82/85
+                    Seats Taken: 81/85
                   </span>
                 </div>
               </td>
diff --git a/courses/CSCI-6980.html b/courses/CSCI-6980.html
index 8d307b1be..ea235bffc 100644
--- a/courses/CSCI-6980.html
+++ b/courses/CSCI-6980.html
@@ -213,7 +213,7 @@
                     <li>George M. Slota</li>
                   </ul>
                   <span class="course-capacity">
-                    Seats Taken: 11/280
+                    Seats Taken: 10/280
                   </span>
                 </div>
               </td>
diff --git a/courses/ECSE-4900.html b/courses/ECSE-4900.html
index c9d6a2a51..a81e48ba7 100644
--- a/courses/ECSE-4900.html
+++ b/courses/ECSE-4900.html
@@ -150,7 +150,7 @@
                     <li>Valerie J. Masterson</li>
                   </ul>
                   <span class="course-capacity">
-                    Seats Taken: 52/0
+                    Seats Taken: 51/0
                   </span>
                 </div>
               </td>
diff --git a/courses/ECSE-4961.html b/courses/ECSE-4961.html
index 6cc51c3f9..fcc7a2813 100644
--- a/courses/ECSE-4961.html
+++ b/courses/ECSE-4961.html
@@ -154,7 +154,7 @@
                     <li>Jianqiang Lu</li>
                   </ul>
                   <span class="course-capacity">
-                    Seats Taken: 28/70
+                    Seats Taken: 27/70
                   </span>
                 </div>
               </td>
diff --git a/courses/MATH-1500.html b/courses/MATH-1500.html
index fc8accda7..360c15c96 100644
--- a/courses/MATH-1500.html
+++ b/courses/MATH-1500.html
@@ -136,7 +136,7 @@
                     <li>Wing Sze E Kam</li>
                   </ul>
                   <span class="course-capacity">
-                    Seats Taken: 128/128
+                    Seats Taken: 127/128
                   </span>
                 </div>
               </td>