Updates README-en.md

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README-en.md

@@ -268,7 +268,7 @@ In this exercise you will modify the `main` function and some of the pre-defined
     filemanip file("/home/eip/functions-dvdinfo/dvd_csv.txt") ;
     ```
 
-    Compile and run the program. If you see errors such as ????, then your path is incorrect.  Correct the path until you get no errors when executing.
+    Compile and run the program. If you see errors such as `Cannot open dvd_csv.txt`, then the path is incorrect.  Correct the path until you get no errors when executing.
  
 1. Perform the following implementations in the `main` function (in the `main.cpp` file):
     * Add code so that the program displays the movies that have positions from 80 to 100.