diff --git a/nbs/00_core.ipynb b/nbs/00_core.ipynb
index d4c6954..4d66013 100644
--- a/nbs/00_core.ipynb
+++ b/nbs/00_core.ipynb
@@ -69,21 +69,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "We want a code generator, but before, we need a class to hold data while doing code generation. For this reason, the first class we are developing is creatively named `Data`"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "We'll see later that our nodes/elements will be nested, creating a parent-children. Instead of backing that in, we'll create that with a mixin, because we'll need it for other purposes later."
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "So now, we can make the class to hold the data"
+    "Out code generator will need a class to hold data while doing code generation. For this reason, the first class we are developing is creatively named `Data`"
    ]
   },
   {
diff --git a/sal/core.py b/sal/core.py
index d781ea5..ce8f591 100644
--- a/sal/core.py
+++ b/sal/core.py
@@ -9,7 +9,7 @@
 from collections import ChainMap
 from typing import Any, Generator, Sequence, Optional
 
-# %% ../nbs/00_core.ipynb 9
+# %% ../nbs/00_core.ipynb 7
 class Data:
     """
     Data holder used during code generation. Logic is kept as separate functions.