diff --git a/self-sovereign-identity/index.md b/self-sovereign-identity/index.md
index 75cb8efc..f5091a34 100644
--- a/self-sovereign-identity/index.md
+++ b/self-sovereign-identity/index.md
@@ -1,10 +1,10 @@
 ---
-title: Self Sovereign Identity (SSI)
-description: Literature associated with the Fundamentals of Self-Sovereign Identity.
-image: "https://infominer.id/DIDecentralized/images/sovereign-identity.png"
+title       : Self Sovereign Identity (SSI)
+description : Literature associated with the Fundamentals of Self-Sovereign Identity.
+image       : "https://infominer.id/DIDecentralized/images/sovereign-identity.png"
 twitter:
-  carg: "summary_large_image"
-  
+  card      : "summary_large_image"
+
 ---
 
 <center><img src="https://infominer.id/DIDecentralized/images/sovereign-identity.png"/></center>