diff --git a/F3:F303/MLX90640multi/mlx90640.bin b/F3:F303/MLX90640multi/mlx90640.bin
index 2145dfa..b059768 100755
Binary files a/F3:F303/MLX90640multi/mlx90640.bin and b/F3:F303/MLX90640multi/mlx90640.bin differ
diff --git a/F3:F303/MLX90640multi/proto.c b/F3:F303/MLX90640multi/proto.c
index ce42124..6fdbdda 100644
--- a/F3:F303/MLX90640multi/proto.c
+++ b/F3:F303/MLX90640multi/proto.c
@@ -38,7 +38,7 @@ const char *Sensno = "SENSNO=";
 
 static const char *OK = "OK\n", *ERR = "ERR\n";
 const char *helpstring =
-        "https://github.com/eddyem/stm32samples/tree/master/F3:F303/mlx90640 build#" BUILD_NUMBER " @ " BUILD_DATE "\n"
+        "https://github.com/eddyem/stm32samples/tree/master/F3:F303/MLX90640multi build#" BUILD_NUMBER " @ " BUILD_DATE "\n"
         "    management of single IR bolometer MLX90640\n"
         "aa - change I2C address to a (a should be non-shifted value!!!)\n"
         "c - continue MLX\n"
diff --git a/F3:F303/MLX90640multi/version.inc b/F3:F303/MLX90640multi/version.inc
index d50b410..5bceb09 100644
--- a/F3:F303/MLX90640multi/version.inc
+++ b/F3:F303/MLX90640multi/version.inc
@@ -1,2 +1,2 @@
-#define BUILD_NUMBER "65"
+#define BUILD_NUMBER "66"
 #define BUILD_DATE "2025-09-24"