1 files changed, 3 insertions, 1 deletions

diff --git a/ui.h b/ui.h
index 636c2ff70..c4689923a 100644
--- a/ui.h
+++ b/ui.h
@@ -88,7 +88,9 @@ class RecoveryUI {
   virtual void Print(const char* fmt, ...) __printflike(2, 3) = 0;
   virtual void PrintOnScreenOnly(const char* fmt, ...) __printflike(2, 3) = 0;
 
-  virtual void ShowFile(const char* filename) = 0;
+  // Shows the contents of the given file. Caller ensures the patition that contains the file has
+  // been mounted.
+  virtual void ShowFile(const std::string& filename) = 0;
 
   // --- key handling ---