Update EROFS error to be a bit more informative.

1 files changed, 3 insertions, 2 deletions

diff --git a/lib/utils/error-handler.js b/lib/utils/error-handler.js
index 1af98a89a..53ebc28db 100644
--- a/lib/utils/error-handler.js
+++ b/lib/utils/error-handler.js
@@ -278,8 +278,9 @@ function errorHandler (er) {
   case "EROFS":
     log.error("rofs", [er.message
               ,"This is most likely not a problem with npm itself"
-              ,"and is related to read-only permissions."
-              ,"\nVerify that the file system is not read-only."
+              ,"and is related to the file system being read-only."
+              ,"\nOften virtualized file systems, or other file systems"
+              ,"that don't support symlinks, give this error."
               ].join("\n"))
     break