diff --git a/ArduCopter/precision_landing.cpp b/ArduCopter/precision_landing.cpp
index 606a97386e..0ba8c25332 100644
--- a/ArduCopter/precision_landing.cpp
+++ b/ArduCopter/precision_landing.cpp
@@ -1,29 +1,29 @@
-//
-// functions to support precision landing
-//
-
-#include "Copter.h"
-
-#if PRECISION_LANDING == ENABLED
-
-void Copter::init_precland()
-{
-    copter.precland.init(400);
-}
-
-void Copter::update_precland()
-{
-    int32_t height_above_ground_cm = current_loc.alt;
-
-    // use range finder altitude if it is valid, else try to get terrain alt
-    if (rangefinder_alt_ok()) {
-        height_above_ground_cm = rangefinder_state.alt_cm;
-    } else if (terrain_use()) {
-        if (!current_loc.get_alt_cm(Location::AltFrame::ABOVE_TERRAIN, height_above_ground_cm)) {
-            height_above_ground_cm = current_loc.alt;
-        }
-    }
-
-    precland.update(height_above_ground_cm, rangefinder_alt_ok());
-}
-#endif
+//
+// functions to support precision landing
+//
+
+#include "Copter.h"
+
+#if PRECISION_LANDING == ENABLED
+
+void Copter::init_precland()
+{
+    copter.precland.init(400);
+}
+
+void Copter::update_precland()
+{
+    int32_t height_above_ground_cm = current_loc.alt;
+
+    // use range finder altitude if it is valid, else try to get terrain alt
+    if (rangefinder_alt_ok()) {
+        height_above_ground_cm = rangefinder_state.alt_cm;
+    } else if (terrain_use()) {
+        if (!current_loc.get_alt_cm(Location::AltFrame::ABOVE_TERRAIN, height_above_ground_cm)) {
+            height_above_ground_cm = current_loc.alt;
+        }
+    }
+
+    precland.update(height_above_ground_cm, rangefinder_alt_ok());
+}
+#endif
diff --git a/ArduCopter/terrain.cpp b/ArduCopter/terrain.cpp
index ccd248fef8..6f4476e1ae 100644
--- a/ArduCopter/terrain.cpp
+++ b/ArduCopter/terrain.cpp
@@ -1,38 +1,38 @@
-#include "Copter.h"
-
-// update terrain data
-void Copter::terrain_update()
-{
-#if AP_TERRAIN_AVAILABLE && AC_TERRAIN
-    terrain.update();
-
-    // tell the rangefinder our height, so it can go into power saving
-    // mode if available
-#if RANGEFINDER_ENABLED == ENABLED
-    float height;
-    if (terrain.height_above_terrain(height, true)) {
-        rangefinder.set_estimated_terrain_height(height);
-    }
-#endif
-#endif
-}
-
-// log terrain data - should be called at 1hz
-void Copter::terrain_logging()
-{
-#if AP_TERRAIN_AVAILABLE && AC_TERRAIN
-    if (should_log(MASK_LOG_GPS)) {
-        terrain.log_terrain_data();
-    }
-#endif
-}
-
-// should we use terrain data for things including the home altitude
-bool Copter::terrain_use()
-{
-#if AP_TERRAIN_AVAILABLE && AC_TERRAIN
-    return (g.terrain_follow > 0);
-#else
-    return false;
-#endif
-}
+#include "Copter.h"
+
+// update terrain data
+void Copter::terrain_update()
+{
+#if AP_TERRAIN_AVAILABLE && AC_TERRAIN
+    terrain.update();
+
+    // tell the rangefinder our height, so it can go into power saving
+    // mode if available
+#if RANGEFINDER_ENABLED == ENABLED
+    float height;
+    if (terrain.height_above_terrain(height, true)) {
+        rangefinder.set_estimated_terrain_height(height);
+    }
+#endif
+#endif
+}
+
+// log terrain data - should be called at 1hz
+void Copter::terrain_logging()
+{
+#if AP_TERRAIN_AVAILABLE && AC_TERRAIN
+    if (should_log(MASK_LOG_GPS)) {
+        terrain.log_terrain_data();
+    }
+#endif
+}
+
+// should we use terrain data for things including the home altitude
+bool Copter::terrain_use()
+{
+#if AP_TERRAIN_AVAILABLE && AC_TERRAIN
+    return (g.terrain_follow > 0);
+#else
+    return false;
+#endif
+}