diff --git a/index.html b/index.html
index 7ebe98eb8ce0e6e3360d33f058cc88067d4abfd5..06d640246a4d462c83946199c952e49bfcb9712f 100644
--- a/index.html
+++ b/index.html
@@ -71,6 +71,16 @@
 
 
 
+    <section data-separator="^\n\n\n"
+             data-vertical="^\n\n"
+             data-background="img/whiteBG.jpg" data-markdown="slides/the_editor.md"></section>
+
+
+
+
+
+
+
     <section data-separator="^\n\n\n"
              data-vertical="^\n\n"
              data-background="img/whiteBG.jpg" data-markdown="slides/what_is_git.md"></section>
@@ -83,7 +93,7 @@
 
     <section data-separator="^\n\n\n"
              data-vertical="^\n\n"
-             data-background="img/whiteBG.jpg" data-markdown="slides/installation.md"></section>
+             data-background="img/whiteBG.jpg" data-markdown="slides/github_gitlab.md"></section>
 
 
 
@@ -93,7 +103,7 @@
 
     <section data-separator="^\n\n\n"
              data-vertical="^\n\n"
-             data-background="img/whiteBG.jpg" data-markdown="slides/essential_commands.md"></section>
+             data-background="img/whiteBG.jpg" data-markdown="slides/installation.md"></section>
 
 
 
@@ -103,7 +113,7 @@
 
     <section data-separator="^\n\n\n"
              data-vertical="^\n\n"
-             data-background="img/whiteBG.jpg" data-markdown="slides/github_gitlab.md"></section>
+             data-background="img/whiteBG.jpg" data-markdown="slides/essential_commands.md"></section>