Fix repudiation term.

Change-Id: Ib38d02aac782583958086bf9fb712cf53df65f26
diff --git a/_faq/pgpkeys.markdown b/_faq/pgpkeys.markdown
index 78e9b0a..722b18f 100644
--- a/_faq/pgpkeys.markdown
+++ b/_faq/pgpkeys.markdown
@@ -4,14 +4,14 @@
 ---
 
 Recently we implemented signing TWRP files with OpenPGP for security minded people who want to verify
-the repudiation of twrp.me files. You can read more about OpenPGP <a href="http://openpgp.org/about/">here</a>
+the non-repudiation of twrp.me files. You can read more about OpenPGP <a href="http://openpgp.org/about/">here</a>
 
 To verify a file, you will need to install our <a href="https://dl.twrp.me/public.asc">public key</a> into
 your keyring. The public key is also listed on each device's download page. Please download the key to a new file.
 When you click on the page, you will see a link for the PGP verification file as
 "Download PGP Signature twrp-device-version.type.asc". This file is in binary format and is created using our
 private key the first time the download page is created for the file. You can then perform
-the following steps to verify repudiation (Linux steps only):
+the following steps to verify non-repudiation (Linux steps only):
 
 <ol>
 <li><pre>gpg --import twrp-public.asc</pre></li>