diff --git a/_posts/2017-04-11-snark-explain4.md b/_posts/2017-04-11-snark-explain4.md
index 85a54ad..4dcae01 100644
--- a/_posts/2017-04-11-snark-explain4.md
+++ b/_posts/2017-04-11-snark-explain4.md
@@ -48,7 +48,7 @@ Note that in the d-KCA Bob does not send an arbitrary set of :math:`\alpha`-pair
 
 <h2>The Verifiable Blind Evaluation Protocol</h2>
 
-Assume that our <a href="/snark-explain1/">HH</a> is the mapping :math:`E(x)=x\cdot g` for a generator :math:`g` of :math:`G` as above.
+Assume that our <a href="/snark-explain/">HH</a> is the mapping :math:`E(x)=x\cdot g` for a generator :math:`g` of :math:`G` as above.
 
 For simplicity, we present the protocol for this particular :math:`E`:
 
@@ -82,4 +82,4 @@ To summarize, using the d-KCA we've developed a protocol for verifiable blind ev
 </tbody>
 </table>
 
-<p><a class="reference external" href="/snark-explain5/">Part V &gt;&gt;</a></p>
\ No newline at end of file
+<p><a class="reference external" href="/snark-explain5/">Part V &gt;&gt;</a></p>