diff --git a/en_US/howto/1-completely.disable.amavisd.clamav.spamassassin.md b/en_US/howto/1-completely.disable.amavisd.clamav.spamassassin.md
index 33f7716d..9e73b0d7 100644
--- a/en_US/howto/1-completely.disable.amavisd.clamav.spamassassin.md
+++ b/en_US/howto/1-completely.disable.amavisd.clamav.spamassassin.md
@@ -6,7 +6,7 @@ In iRedMail, Amavisd provides below features:
 
 * content-based spam scanning (invoke SpamAssassin)
 * Virus scanning (invoke ClamAV)
-* DKIM singing
+* DKIM signing
 * DKIM verification (through SpamAssassin + Perl module)
 * SPF verification (through SpamAssassin + Perl module)
 * Disclaimer (throught AlterMIME)
diff --git a/html/completely.disable.amavisd.clamav.spamassassin.html b/html/completely.disable.amavisd.clamav.spamassassin.html
index 829452a2..35dd1e9c 100644
--- a/html/completely.disable.amavisd.clamav.spamassassin.html
+++ b/html/completely.disable.amavisd.clamav.spamassassin.html
@@ -33,7 +33,7 @@
 <ul>
 <li>content-based spam scanning (invoke SpamAssassin)</li>
 <li>Virus scanning (invoke ClamAV)</li>
-<li>DKIM singing</li>
+<li>DKIM signing</li>
 <li>DKIM verification (through SpamAssassin + Perl module)</li>
 <li>SPF verification (through SpamAssassin + Perl module)</li>
 <li>Disclaimer (throught AlterMIME)</li>