diff --git a/docs/landscape.html b/docs/landscape.html
index d183e10d01..4383fab8ac 100644
--- a/docs/landscape.html
+++ b/docs/landscape.html
@@ -40,7 +40,9 @@ OTTD's class-specific periodic tile processing routine is called once every +256
 <tr><td nowrap valign=top><tt>03</tt>&nbsp; </td><td align=left>full grass</td></tr>
 <tr><td nowrap valign=top><tt>07</tt>&nbsp; </td><td align=left>rough land</td></tr>
 <tr><td nowrap valign=top><tt>0B</tt>&nbsp; </td><td align=left>rocks</td></tr>
-<tr><td nowrap valign=top><tt>0F</tt>&nbsp; </td><td align=left>fields; type of fields in m3 bits 3..0 (legal values: 0 through 9)</td></tr>
+<tr><td nowrap valign=top><tt>0F</tt>&nbsp; </td><td align=left>fields; type of fields in m3 bits 3..0 (legal values: 0 through 9)<br>
+  m2: Index into the array of industries (farms), INVALID_INDUSTRY (0xFFFF) if farm has been removed </td>
+</tr>
 <tr><td nowrap valign=top><tt>10</tt>&nbsp; </td><td align=left>1/4 snow</td></tr>
 <tr><td nowrap valign=top><tt>11</tt>&nbsp; </td><td align=left>2/4 snow</td></tr>
 <tr><td nowrap valign=top><tt>12</tt>&nbsp; </td><td align=left>3/4 snow</td></tr>
diff --git a/docs/landscape_grid.html b/docs/landscape_grid.html
index dc809a6744..7ed12c9417 100644
--- a/docs/landscape_grid.html
+++ b/docs/landscape_grid.html
@@ -55,15 +55,24 @@ the array so you can quickly see what is used and what is not.
       <td class="bits">7654 3210</td>
     </tr>
     <tr>
-      <td>0</td>
+      <td rowspan="2">0</td>
       <td class="caption">ground</td>
       <td class="bits">XXXX XXXX</td>
       <td class="bits"><span class="free">OOOO OOOO OOOO OOOO</span></td>
-      <td class="bits"><span class="free">OOOO</span> XXXX</td>
+      <td class="bits"><span class="free">OOOO OOOO</span></td>
       <td class="bits">XXXX XX<span class="free">OO</span></td>
       <td class="bits">XXXX XXXX</td>
       <td class="bits">XXXX XXXX</td>
     </tr>
+    <tr>
+      <td class="caption">farmland</td>
+      <td class="bits">-inherit-</td>
+      <td class="bits">XXXX XXXX XXXX XXXX</td>
+      <td class="bits"><span class="free">OOOO</span> XXXX</td>
+      <td class="bits">-inherit-</td>
+      <td class="bits">-inherit-</td>
+      <td class="bits"><span class="free">OOO</span>X XXXX</td>
+    </tr>
     <tr>
       <td rowspan=3>1</td>
       <td class="caption">rail</td>