1 files changed, 10 insertions, 0 deletions
diff --git a/src/libcmd/command-installable-value.hh b/src/libcmd/command-installable-value.hh
index 8e31a0b92..7880d4119 100644
--- a/src/libcmd/command-installable-value.hh
+++ b/src/libcmd/command-installable-value.hh
@@ -1,10 +1,20 @@
+#pragma once
+///@file
+
 #include "installable-value.hh"
 #include "command.hh"
 
 namespace nix {
 
+/**
+ * An InstallableCommand where the single positional argument must be an
+ * InstallableValue in particular.
+ */
 struct InstallableValueCommand : InstallableCommand
 {
+    /**
+     * Entry point to this command
+     */
     virtual void run(ref<Store> store, ref<InstallableValue> installable) = 0;
 
     void run(ref<Store> store, ref<Installable> installable) override;