diff --git a/src/AutoPilotPlugins/PX4/AirframeFactMetaData.xml b/src/AutoPilotPlugins/PX4/AirframeFactMetaData.xml
index 4b1e459..e43b74c 100644
--- a/src/AutoPilotPlugins/PX4/AirframeFactMetaData.xml
+++ b/src/AutoPilotPlugins/PX4/AirframeFactMetaData.xml
@@ -292,7 +292,7 @@
       <class>Copter</class>
       <maintainer>Lorenz Meier &lt;lorenz@px4.io&gt;</maintainer>
       <type>Quadrotor asymmetric</type>
-      <url>https://docs.px4.io/en/framebuild_multicopter/spedix_s250_pixracer.html</url>
+      <url>https://docs.px4.io/master/en/framebuild_multicopter/spedix_s250_pixracer.html</url>
       <output name="MAIN1">motor1 (front right: CCW)</output>
       <output name="MAIN2">motor2 (back left: CCW)</output>
       <output name="MAIN3">motor3 (front left: CW)</output>
@@ -379,7 +379,7 @@
       <class>Copter</class>
       <maintainer>Beat Kueng &lt;beat-kueng@gmx.net&gt;</maintainer>
       <type>Quadrotor x</type>
-      <url>https://docs.px4.io/en/frames_multicopter/holybro_qav250_pixhawk4_mini.html</url>
+      <url>https://docs.px4.io/master/en/frames_multicopter/holybro_qav250_pixhawk4_mini.html</url>
     </airframe>
     <airframe id="4053" maintainer="Beat Kueng &lt;beat@px4.io&gt;" name="Holybro Kopis 2">
       <class>Copter</class>
@@ -530,7 +530,7 @@
       <class>Plane</class>
       <maintainer>Simon Wilks &lt;simon@uaventure.com&gt;</maintainer>
       <type>Flying Wing</type>
-      <url>https://docs.px4.io/en/frames_plane/wing_wing_z84.html</url>
+      <url>https://docs.px4.io/master/en/frames_plane/wing_wing_z84.html</url>
       <output name="MAIN1">left aileron</output>
       <output name="MAIN2">right aileron</output>
       <output name="MAIN4">throttle</output>
@@ -553,7 +553,7 @@
       <class>Plane</class>
       <maintainer>Lorenz Meier &lt;lorenz@px4.io&gt;</maintainer>
       <type>Flying Wing</type>
-      <url>https://docs.px4.io/en/framebuild_plane/wing_wing_z84.html</url>
+      <url>https://docs.px4.io/master/en/framebuild_plane/wing_wing_z84.html</url>
       <output name="MAIN1">left aileron</output>
       <output name="MAIN2">right aileron</output>
       <output name="MAIN4">throttle</output>