diff --git a/Projects/Superalgos/Schemas/Docs-Tutorials/basic-education-017-tutorial-step-detaching-and-attaching.json b/Projects/Superalgos/Schemas/Docs-Tutorials/basic-education-017-tutorial-step-detaching-and-attaching.json
index dba4c345f..1bb3dc126 100644
--- a/Projects/Superalgos/Schemas/Docs-Tutorials/basic-education-017-tutorial-step-detaching-and-attaching.json
+++ b/Projects/Superalgos/Schemas/Docs-Tutorials/basic-education-017-tutorial-step-detaching-and-attaching.json
@@ -13,13 +13,13 @@
     "paragraphs": [
         {
             "style": "Text",
-            "text": "So, let's say we did modify the Trading Parameters and now we want to go back to using the original parameters. We already have the backup in the design space — detached from the hierarchy — and we need to replace the existing Trading Parameters node with the backup.",
-            "updated": 1615572288407
+            "text": "Let's pretend we modified the Trading Parameters and now we want to go back to using the original ones. We already have the backup in the design space — detached from the hierarchy — and we need to replace the existing Trading Parameters node with the backup.",
+            "updated": 1615572909121
         },
         {
             "style": "Callout",
             "text": "Go to the Trading Parameters node that is currently in use — the one attached to the Backtesting Session node — and click the Detach Node button. The node separates from the hierarchy! You may now move it to the side!",
-            "updated": 1615572510948
+            "updated": 1615572965552
         }
     ]
 }
\ No newline at end of file
diff --git a/Projects/Superalgos/Schemas/Docs-Tutorials/basic-education-018-tutorial-step-attaching-the-backup.json b/Projects/Superalgos/Schemas/Docs-Tutorials/basic-education-018-tutorial-step-attaching-the-backup.json
new file mode 100644
index 000000000..98d0874d1
--- /dev/null
+++ b/Projects/Superalgos/Schemas/Docs-Tutorials/basic-education-018-tutorial-step-attaching-the-backup.json
@@ -0,0 +1,29 @@
+{
+    "tutorial": "Basic Education",
+    "pageNumber": "18",
+    "type": "Tutorial Step - Attaching The Backup",
+    "definition": {
+        "text": "Now we need to attach the backup of the Trading Parameters node to the Backtesting Session. How do we do that?",
+        "icon": {
+            "name": "mouse-right-click",
+            "project": "Superalgos"
+        },
+        "updated": 1615573035743
+    },
+    "paragraphs": [
+        {
+            "style": "Callout",
+            "text": "Right-click on the Trading Parameters node and pull it closer to the Backtesting session node! Release when you see an orange ring surrounding the Backtesting Session node!"
+        },
+        {
+            "style": "Text",
+            "text": "That's it! The backup of the Trading Parameters node is restored and back in use.",
+            "updated": 1615573476475
+        },
+        {
+            "style": "Note",
+            "text": "Notice that you may delete the second Trading Parameters node if you wish, or you can keep it on the side for later use.",
+            "updated": 1615573597034
+        }
+    ]
+}
\ No newline at end of file
diff --git a/Projects/Superalgos/Schemas/Docs-Tutorials/basic-education-019-tutorial-step-irrelevant-nodes.json b/Projects/Superalgos/Schemas/Docs-Tutorials/basic-education-019-tutorial-step-irrelevant-nodes.json
new file mode 100644
index 000000000..e28822205
--- /dev/null
+++ b/Projects/Superalgos/Schemas/Docs-Tutorials/basic-education-019-tutorial-step-irrelevant-nodes.json
@@ -0,0 +1,25 @@
+{
+    "tutorial": "Basic Education",
+    "pageNumber": "19",
+    "type": "Tutorial Step - Irrelevant Nodes",
+    "definition": {
+        "text": "Nodes that are not attached to a hierarchy are not computed. They exist in the workspace, but they don't affect the workings of the system at any level.",
+        "updated": 1615575416918,
+        "icon": {
+            "name": "detach-node",
+            "project": "Superalgos"
+        }
+    },
+    "paragraphs": [
+        {
+            "style": "Text",
+            "text": "This means that you may keep as many structures of nodes detached from hierarchies as long as you wish, keeping them at hand for later use, or for whatever reason.",
+            "updated": 1615575641085
+        },
+        {
+            "style": "Success",
+            "text": "A common scenario is keeping multiple versions of certain definitions while building strategies, so that you may test a set of rules and switch to other rules for the next run. You may even keep multiple versions of entire strategies!",
+            "updated": 1615575707975
+        }
+    ]
+}
\ No newline at end of file