diff --git a/httpstatuscodes.html b/httpstatuscodes.html
index 018298d..2b687ea 100644
--- a/httpstatuscodes.html
+++ b/httpstatuscodes.html
@@ -791,7 +791,7 @@
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+				<p><a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />This work by <a xmlns:cc="http://creativecommons.org/ns#" href="http://www.restapitutorial.com/" property="cc:attributionName" rel="cc:attributionURL">RestApiTutorial.com</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.</p>
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diff --git a/index.html b/index.html
index 8b91407..8a02ecc 100644
--- a/index.html
+++ b/index.html
@@ -69,7 +69,7 @@ valueOf()+(h?'&utmxhash='+escape(h.substr(1)):'')+
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+				<p><a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />This work by <a xmlns:cc="http://creativecommons.org/ns#" href="http://www.restapitutorial.com/" property="cc:attributionName" rel="cc:attributionURL">RestApiTutorial.com</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.</p>
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diff --git a/index_b.html b/index_b.html
index 869c3c2..9ea77e2 100644
--- a/index_b.html
+++ b/index_b.html
@@ -52,7 +52,7 @@
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+				<p><a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />This work by <a xmlns:cc="http://creativecommons.org/ns#" href="http://www.restapitutorial.com/" property="cc:attributionName" rel="cc:attributionURL">RestApiTutorial.com</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.</p>
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diff --git a/lessons/idempotency.html b/lessons/idempotency.html
index 780c479..17ddef0 100644
--- a/lessons/idempotency.html
+++ b/lessons/idempotency.html
@@ -73,7 +73,7 @@
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 			<hr>
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+				<p><a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />This work by <a xmlns:cc="http://creativecommons.org/ns#" href="http://www.restapitutorial.com/" property="cc:attributionName" rel="cc:attributionURL">RestApiTutorial.com</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.</p>
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diff --git a/lessons/restfulresourcenaming.html b/lessons/restfulresourcenaming.html
index f11d896..5936d6a 100644
--- a/lessons/restfulresourcenaming.html
+++ b/lessons/restfulresourcenaming.html
@@ -146,7 +146,7 @@
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+				<p><a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />This work by <a xmlns:cc="http://creativecommons.org/ns#" href="http://www.restapitutorial.com/" property="cc:attributionName" rel="cc:attributionURL">RestApiTutorial.com</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.</p>
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diff --git a/lessons/restquicktips.html b/lessons/restquicktips.html
index 0b625ff..c44ba0e 100644
--- a/lessons/restquicktips.html
+++ b/lessons/restquicktips.html
@@ -137,7 +137,7 @@
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 			<hr>
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-				<p><a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />This work by <a xmlns:cc="http://creativecommons.org/ns#" href="www.RestApiTutorial.com" property="cc:attributionName" rel="cc:attributionURL">RestApiTutorial.com</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.</p>
+				<p><a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />This work by <a xmlns:cc="http://creativecommons.org/ns#" href="http://www.restapitutorial.com/" property="cc:attributionName" rel="cc:attributionURL">RestApiTutorial.com</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.</p>
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diff --git a/lessons/whatisrest.html b/lessons/whatisrest.html
index 4caa7d0..dd397be 100644
--- a/lessons/whatisrest.html
+++ b/lessons/whatisrest.html
@@ -115,7 +115,7 @@
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+				<p><a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />This work by <a xmlns:cc="http://creativecommons.org/ns#" href="http://www.restapitutorial.com/" property="cc:attributionName" rel="cc:attributionURL">RestApiTutorial.com</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.</p>
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diff --git a/resources.html b/resources.html
index cdcceab..c7dff44 100644
--- a/resources.html
+++ b/resources.html
@@ -61,7 +61,7 @@
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+				<p><a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />This work by <a xmlns:cc="http://creativecommons.org/ns#" href="http://www.restapitutorial.com/" property="cc:attributionName" rel="cc:attributionURL">RestApiTutorial.com</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.</p>
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