diff --git a/content/hardware/01.mkr/02.shields/mkr-relay-proto-shield/essentials.md b/content/hardware/01.mkr/02.shields/mkr-relay-proto-shield/essential.md
similarity index 98%
rename from content/hardware/01.mkr/02.shields/mkr-relay-proto-shield/essentials.md
rename to content/hardware/01.mkr/02.shields/mkr-relay-proto-shield/essential.md
index a696597886..d0f24dd4b5 100644
--- a/content/hardware/01.mkr/02.shields/mkr-relay-proto-shield/essentials.md
+++ b/content/hardware/01.mkr/02.shields/mkr-relay-proto-shield/essential.md
@@ -1,24 +1,24 @@
-<EssentialsColumn title="First Steps">
-  <EssentialElement title="Quickstart Guide" type="getting-started" link="/tutorials/mkr-relay-proto-shield/mkr-relay-shield-basic">
-    All you need to know to get started with your new Arduino Shield.
-  </EssentialElement>
-
-</EssentialsColumn>
-
-<EssentialsColumn title="Suggested Libraries">
-<EssentialElement>
-The MKR Relay Shield requires no external libraries.
-</EssentialElement>
-</EssentialsColumn>
-
-<EssentialsColumn title="Arduino Basics">
-  <EssentialElement title="Built-in Examples" type="tutorial" link="/built-in-examples/">
-    Built-in Examples are sketches included in the Arduino IDE and demonstrate all basic Arduino commands. 
-  </EssentialElement>
-  <EssentialElement title="Learn" type="resource" link="/learn/">
-    Discover interesting articles, principles and techniques related to the Arduino ecosystem.
-  </EssentialElement>
-  <EssentialElement title="Language References" type="resource" link="https://www.arduino.cc/reference/en/">
-  Arduino programming language can be divided in three main parts: functions, values (variables and constants), and structure.
-  </EssentialElement>
+<EssentialsColumn title="First Steps">
+  <EssentialElement title="Quickstart Guide" type="getting-started" link="/tutorials/mkr-relay-proto-shield/mkr-relay-shield-basic">
+    All you need to know to get started with your new Arduino Shield.
+  </EssentialElement>
+
+</EssentialsColumn>
+
+<EssentialsColumn title="Suggested Libraries">
+<EssentialElement>
+The MKR Relay Shield requires no external libraries.
+</EssentialElement>
+</EssentialsColumn>
+
+<EssentialsColumn title="Arduino Basics">
+  <EssentialElement title="Built-in Examples" type="tutorial" link="/built-in-examples/">
+    Built-in Examples are sketches included in the Arduino IDE and demonstrate all basic Arduino commands. 
+  </EssentialElement>
+  <EssentialElement title="Learn" type="resource" link="/learn/">
+    Discover interesting articles, principles and techniques related to the Arduino ecosystem.
+  </EssentialElement>
+  <EssentialElement title="Language References" type="resource" link="https://www.arduino.cc/reference/en/">
+  Arduino programming language can be divided in three main parts: functions, values (variables and constants), and structure.
+  </EssentialElement>
 </EssentialsColumn>
\ No newline at end of file
diff --git a/content/hardware/01.mkr/03.carriers/mkr-connector-carrier/essentials.md b/content/hardware/01.mkr/03.carriers/mkr-connector-carrier/essential.md
similarity index 98%
rename from content/hardware/01.mkr/03.carriers/mkr-connector-carrier/essentials.md
rename to content/hardware/01.mkr/03.carriers/mkr-connector-carrier/essential.md
index 47c9b7c383..5c6becaaa5 100644
--- a/content/hardware/01.mkr/03.carriers/mkr-connector-carrier/essentials.md
+++ b/content/hardware/01.mkr/03.carriers/mkr-connector-carrier/essential.md
@@ -1,22 +1,22 @@
-<EssentialsColumn title="First Steps">
-  <EssentialElement title="Quickstart Guide" type="getting-started" link="/tutorials/mkr-connector-carrier/connector-basics">
-    All you need to know to get started with your new Arduino Carrier.
-  </EssentialElement>
-
-</EssentialsColumn>
-
-<EssentialsColumn title="Suggested Libraries">
-
-</EssentialsColumn>
-
-<EssentialsColumn title="Arduino Basics">
-  <EssentialElement title="Built-in Examples" type="tutorial" link="/built-in-examples/">
-    Built-in Examples are sketches included in the Arduino IDE and demonstrate all basic Arduino commands. 
-  </EssentialElement>
-  <EssentialElement title="Learn" type="resource" link="/learn/">
-    Discover interesting articles, principles and techniques related to the Arduino ecosystem.
-  </EssentialElement>
-  <EssentialElement title="Language References" type="resource" link="https://www.arduino.cc/reference/en/">
-  Arduino programming language can be divided in three main parts: functions, values (variables and constants), and structure.
-  </EssentialElement>
+<EssentialsColumn title="First Steps">
+  <EssentialElement title="Quickstart Guide" type="getting-started" link="/tutorials/mkr-connector-carrier/connector-basics">
+    All you need to know to get started with your new Arduino Carrier.
+  </EssentialElement>
+
+</EssentialsColumn>
+
+<EssentialsColumn title="Suggested Libraries">
+
+</EssentialsColumn>
+
+<EssentialsColumn title="Arduino Basics">
+  <EssentialElement title="Built-in Examples" type="tutorial" link="/built-in-examples/">
+    Built-in Examples are sketches included in the Arduino IDE and demonstrate all basic Arduino commands. 
+  </EssentialElement>
+  <EssentialElement title="Learn" type="resource" link="/learn/">
+    Discover interesting articles, principles and techniques related to the Arduino ecosystem.
+  </EssentialElement>
+  <EssentialElement title="Language References" type="resource" link="https://www.arduino.cc/reference/en/">
+  Arduino programming language can be divided in three main parts: functions, values (variables and constants), and structure.
+  </EssentialElement>
 </EssentialsColumn>
\ No newline at end of file