diff --git a/docs/docs/self-host/guides/how-to-generate-self-signed-document-signing-certificate.md b/docs/docs/self-host/guides/how-to-generate-self-signed-document-signing-certificate.md
index a03585984..181713444 100644
--- a/docs/docs/self-host/guides/how-to-generate-self-signed-document-signing-certificate.md
+++ b/docs/docs/self-host/guides/how-to-generate-self-signed-document-signing-certificate.md
@@ -1,7 +1,7 @@
 ---
 title: How to generate self-signed document signing certificate?
 ---
-# Steps to generate self-signed document singing certificate for testing OpenSign
+# Steps to generate self-signed document signing certificate for testing OpenSign
 ```
 # execute below command and use passphrase 'opensign'
 openssl genrsa -des3 -out ./local_dev.key 2048