diff --git a/.obsidian/core-plugins.json b/.obsidian/core-plugins.json
index 9405bfd..56b44a5 100644
--- a/.obsidian/core-plugins.json
+++ b/.obsidian/core-plugins.json
@@ -7,6 +7,7 @@
   "canvas",
   "outgoing-link",
   "tag-pane",
+  "properties",
   "page-preview",
   "daily-notes",
   "templates",
diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 8d24b98..9483ca2 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -21,7 +21,7 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "Methodologie/Le cahier des charges.md",
+                "file": "Electronic/Lecture 1.md",
                 "mode": "source",
                 "source": false
               }
@@ -94,7 +94,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "Methodologie/Le cahier des charges.md",
+                "file": "Electronic/Lecture 1.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -111,7 +111,7 @@
             "state": {
               "type": "outgoing-link",
               "state": {
-                "file": "Methodologie/Le cahier des charges.md",
+                "file": "Electronic/Lecture 1.md",
                 "linksCollapsed": false,
                 "unlinkedCollapsed": true
               }
@@ -134,7 +134,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "Methodologie/Le cahier des charges.md"
+                "file": "Electronic/Lecture 1.md"
               }
             }
           },
diff --git a/Electronic/Lecture 1.md b/Electronic/Lecture 1.md
index ee78696..22fd155 100644
--- a/Electronic/Lecture 1.md	
+++ b/Electronic/Lecture 1.md	
@@ -1,13 +1,15 @@
 <img src="https://i.imgur.com/ZPadVTR.jpg" /img>
+
 E : the voltage corresponding to Ua - Ub = Uab
 V = Ub - Uc
 The current correponding to the flow of electrical electrons from A to C in A
 
 **Dipoles :** component between two points of the diagram
 **Ohm's law**: $V=R \times{I}$
+
 <img src="https://i.imgur.com/a9skJL3.png" /i>
 
-## Association of resistors 
+## Association of resistors
 ### resistors in serie
 $R_{1}$ and $R_{4}$ get the same flow (current). Replace R1 and R4 by $R_{s} = R_{1}+R_{4}$
 ### Resistors in parallel