1 files changed, 10 insertions, 0 deletions

diff --git a/usage.c b/usage.c
index 52c0a6915..13107c6e0 100644
--- a/usage.c
+++ b/usage.c
@@ -1012,6 +1012,16 @@ const char ping_usage[] =
 #endif
 #endif
 
+#if defined BB_PIVOT_ROOT
+const char pivot_root_usage[] =
+        "pivot_root new_root put_old"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+        "\n\nMove the current root file system to put_old and make new_root\n"
+        "the new root file system."
+#endif
+        ;
+#endif
+
 #if defined BB_POWEROFF
 const char poweroff_usage[] =
         "poweroff"