diff --git a/index.html b/index.html
index 55461dd2f..2aadeeb3b 100644
--- a/index.html
+++ b/index.html
@@ -97,7 +97,7 @@ <h1>
 
   <section id="summary">
     <header><h2>Summary</h2></header>
-    <p>LIPS is poweful Scheme based lisp interpreter written in JavaScript. The name is recursive acronym which stands for LIPS Is Pretty Simple. The interpreter have very good integration with JavaScript.</p>
+    <p>LIPS is poweful <a href="https://www.scheme.org/">Scheme</a> based lisp interpreter written in JavaScript. The name is recursive acronym which stands for <strong>LIPS Is Pretty Simple</strong>. The interpreter have very good integration with JavaScript. The aim of the project is to support full Specification <a href="https://standards.scheme.org/#r7rs">R7RS</a> of Scheme Programming Language.</p>
     <p>Key features of the interpreter:</p>
     <ul>
       <li>Literal regular expression.</li>
diff --git a/index.tmpl b/index.tmpl
index 47a23f0f1..e2c673a4a 100644
--- a/index.tmpl
+++ b/index.tmpl
@@ -8,7 +8,7 @@
 {{HEAD}}
   <section id="summary">
     <header><h2>Summary</h2></header>
-    <p>LIPS is poweful Scheme based lisp interpreter written in JavaScript. The name is recursive acronym which stands for LIPS Is Pretty Simple. The interpreter have very good integration with JavaScript.</p>
+    <p>LIPS is poweful <a href="https://www.scheme.org/">Scheme</a> based lisp interpreter written in JavaScript. The name is recursive acronym which stands for <strong>LIPS Is Pretty Simple</strong>. The interpreter have very good integration with JavaScript. The aim of the project is to support full Specification <a href="https://standards.scheme.org/#r7rs">R7RS</a> of Scheme Programming Language.</p>
     <p>Key features of the interpreter:</p>
     <ul>
       <li>Literal regular expression.</li>