diff --git a/README.md b/README.md
index 00a1d94..42c13c2 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@
 
 
 
-## On Error
+### On Error
 
 >
 > Get https://hub.swarmlab.io:5480/v2/: x509: certificate
@@ -37,7 +37,7 @@
 >
 
 
-## On Error response from daemon
+### On Error response from daemon
 
 >
 >docker: Error response from daemon: Get https://registry.vlabs.uniwa.gr:5080/v2/: dial tcp: lookup registry.vlabs.uniwa.gr on [::1]:53: read udp [::1]:56425->[::1]:53: read: connection refused.