diff --git a/doc/users-guide.content b/doc/users-guide.content
index f7d3d8e10..1ff9a3959 100644
--- a/doc/users-guide.content
+++ b/doc/users-guide.content
@@ -249,7 +249,7 @@ based on percentages of your CP value.  The zones are:
    <td>150%</td>
  </tr>
  <tr>
-   <td>Z1</td>
+   <td>Z7</td>
    <td>Neuromuscular</td>
    <td>150%</td>
    <td>MAX</td>