diff --git a/index.html b/index.html
index 5c88e76..4cd0fa1 100644
--- a/index.html
+++ b/index.html
@@ -5058,13 +5058,7 @@ <h3>Drone</h3>
               <dt>Bit field (2 bytes)</dt>
               <dt>Unknown (bit 1.1, int)</dt>
               <dt>X coordinate (bit 1.2, float)</dt>
-              <dt>Unknown (bit 1.3 float)</dt>
-              <dd>
-                <p>
-                  Values observed range from approximately -0.01 to 53.7. Might be related to
-                  pitch/yaw.
-                </p>
-              </dd>
+              <dt>Y coordinate (bit 1.3 float)</dt>
               <dt>Z coordinate (bit 1.4, float)</dt>
               <dt>Unknown (bit 1.5 float)</dt>
               <dd>
@@ -5072,7 +5066,7 @@ <h3>Drone</h3>
                   Perhaps related to pitch/yaw.
                 </p>
               </dd>
-              <dt>Y coordinate (bit 1.6, float)</dt>
+              <dt>Unknown (bit 1.6, float)</dt>
               <dt>Heading (bit 1.7, float)</dt>
               <dt>Side (bit 1.8, int)</dt>
               <dt>Unknown (bit 2.1, float?, v2.1.5+)</dt>