1 files changed, 6 insertions, 1 deletions

diff --git a/bootloader_message/include/bootloader_message/bootloader_message.h b/bootloader_message/include/bootloader_message/bootloader_message.h
index ec47facf6..bc5104ddf 100644
--- a/bootloader_message/include/bootloader_message/bootloader_message.h
+++ b/bootloader_message/include/bootloader_message/bootloader_message.h
@@ -194,9 +194,14 @@ bool write_bootloader_message(const bootloader_message& boot, std::string* err);
 bool write_bootloader_message_to(const bootloader_message& boot,
                                  const std::string& misc_blk_device, std::string* err);
 
-// Write bootloader message (boots into recovery with the options) to BCB.
+// Write bootloader message (boots into recovery with the options) to BCB. Will
+// set the command and recovery fields, and reset the rest.
 bool write_bootloader_message(const std::vector<std::string>& options, std::string* err);
 
+// Update bootloader message (boots into recovery with the options) to BCB. Will
+// only update the command and recovery fields.
+bool update_bootloader_message(const std::vector<std::string>& options, std::string* err);
+
 // Clear BCB.
 bool clear_bootloader_message(std::string* err);