diff --git a/docs/landscape_grid.html b/docs/landscape_grid.html
index 495d6de112..e80a0369ca 100644
--- a/docs/landscape_grid.html
+++ b/docs/landscape_grid.html
@@ -246,7 +246,7 @@ the array so you can quickly see what is used and what is not.
       <td class="bits" rowspan=4><span class="free">OOOO OOOO OOOO OOOO</span></td>
       <td class="bits" rowspan=5><span class="free">OOOO OOO</span><span class="used" title="Non-flooding state">X</span></td>
       <td class="bits"><span class="free">OOOO OOOO</span></td>
-      <td class="bits"><span class="used" title="Water tile type: coast, clear, lock, depot">0000</span> <span class="free">OOO0</span></td>
+      <td class="bits"><span class="used" title="Water tile type: coast, clear, lock, depot">0000</span> <span class="free">OOOO</span></td>
       <td class="bits" rowspan=5><span class="free">OOOO OOOO</span></td>
       <td class="bits" rowspan=5><span class="free">OOOO OOOO</span></td>
       <td class="bits" rowspan=5><span class="free">OOOO OOOO OOOO OOOO</span></td>