diff --git a/README.md b/README.md
index 6c7b87f..8f83b65 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,17 @@ First step:
 Neotree comes by default in combination with all-the-icons.
 So pressing `[f8]` will display (you must give "yes") a one-time screen to install all-the-icons fonts.
 
+## Troubleshooting
+
+>Failed to verify signature archive-contents.sig:
+>No public key for 066DAFCB81E42C40 created at 2019-10-05T04:10:02-0500 using RSA
+>Command output:
+>gpg: Firmado el sáb 05 oct 2019 04:10:02 -05
+>gpg:                usando RSA clave C433554766D3DDC64221BFAA066DAFCB81E42C40
+>gpg: Imposible comprobar la firma: No public key
+
+    gpg --homedir ~/.emacs.d/elpa/gnupg --receive-keys 066DAFCB81E42C40
+
 ### Mode Python
 - Require installed virtualenv: