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-rw-r--r--src/nix-store/help.txt6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/nix-store/help.txt b/src/nix-store/help.txt
index d7f977025440..a3dcdebb6faa 100644
--- a/src/nix-store/help.txt
+++ b/src/nix-store/help.txt
@@ -9,8 +9,10 @@ Operations:
   --add / -A: copy a path to the Nix store
   --query / -q: query information
 
-  --successor: register a successor expression
-  --substitute: register a substitute expression
+  --successor: register a successor expression (dangerous!)
+  --substitute: register a substitute expression (dangerous!)
+  --validpath: register path validity (dangerous!)
+  --isvalid: check path validity
 
   --dump: dump a path as a Nix archive
   --restore: restore a path from a Nix archive