diff --git a/README.md b/README.md
index a2f70ea..b3688ce 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ different workflow engines to enable interoperability.
 ### Simple Example 
 As a first example we define two Python functions which add multiple inputs: 
 ```python
-def add_x_and_y(x, y):
+def get_sum(x, y):
     return x + y
     
 def get_prod_and_div(x: float, y: float) -> dict:
@@ -25,7 +25,7 @@ def get_prod_and_div(x: float, y: float) -> dict:
 These two Python functions are combined in the following example workflow:
 ```python
 tmp_dict = get_prod_and_div(x=1, y=2)
-result = add_x_and_y(x=tmp_dict["prod"], y=tmp_dict["div"])
+result = get_sum(x=tmp_dict["prod"], y=tmp_dict["div"])
 ```
 For the workflow representation of these Python functions the Python functions are stored in the [simple_workflow.py](simple_workflow.py)
 Python module. The connection of the Python functions are stored in the [workflow_simple.json](workflow_simple.json) 
@@ -34,7 +34,7 @@ JSON file:
 {
   "nodes": [
     {"id": 0, "function": "simple_workflow.get_prod_and_div"},
-    {"id": 1, "function": "simple_workflow.add_x_and_y"},
+    {"id": 1, "function": "simple_workflow.get_sum"},
     {"id": 2, "value": 1},
     {"id": 3, "value": 2}
   ],
diff --git a/aiida_simple.ipynb b/aiida_simple.ipynb
index 8bdbebb..6968ad6 100644
--- a/aiida_simple.ipynb
+++ b/aiida_simple.ipynb
@@ -42,7 +42,12 @@
   },
   {
    "cell_type": "code",
-   "source": "from simple_workflow import (\n    add_x_and_y as _add_x_and_y,\n    get_prod_and_div as _get_prod_and_div,\n)",
+   "source": [
+    "from simple_workflow import (\n",
+    "    get_sum as _get_sum,\n",
+    "    get_prod_and_div as _get_prod_and_div,\n",
+    ")"
+   ],
    "metadata": {
     "trusted": true
    },
@@ -69,7 +74,14 @@
   },
   {
    "cell_type": "code",
-   "source": "add_x_and_y_task = wg.add_task(\n    _add_x_and_y,\n    name=\"add_x_and_y\",\n    x=get_prod_and_div_task.outputs.prod,\n    y=get_prod_and_div_task.outputs.div,\n)",
+   "source": [
+    "get_sum_task = wg.add_task(\n",
+    "    _get_sum,\n",
+    "    name=\"get_sum\",\n",
+    "    x=get_prod_and_div_task.outputs.prod,\n",
+    "    y=get_prod_and_div_task.outputs.div,\n",
+    ")"
+   ],
    "metadata": {
     "trusted": true
    },
diff --git a/book/simple.md b/book/simple.md
index 41ae7bc..8514a9a 100644
--- a/book/simple.md
+++ b/book/simple.md
@@ -1,7 +1,7 @@
 # Simple Workflow
 As a first example we define two Python functions which add multiple inputs: 
 ```python
-def add_x_and_y(x, y):
+def get_sum(x, y):
     return x + y
     
 def get_prod_and_div(x: float, y: float) -> dict:
@@ -10,7 +10,7 @@ def get_prod_and_div(x: float, y: float) -> dict:
 These two Python functions are combined in the following example workflow:
 ```python
 tmp_dict = get_prod_and_div(x=1, y=2)
-result = add_x_and_y(x=tmp_dict["prod"], y=tmp_dict["div"])
+result = get_sum(x=tmp_dict["prod"], y=tmp_dict["div"])
 ```
 For the workflow representation of these Python functions the Python functions are stored in the [simple_workflow.py](simple_workflow.py)
 Python module. The connection of the Python functions are stored in the [workflow_simple.json](workflow_simple.json) 
@@ -19,7 +19,7 @@ JSON file:
 {
   "nodes": [
     {"id": 0, "function": "simple_workflow.get_prod_and_div"},
-    {"id": 1, "function": "simple_workflow.add_x_and_y"},
+    {"id": 1, "function": "simple_workflow.get_sum"},
     {"id": 2, "value": 1},
     {"id": 3, "value": 2}
   ],
diff --git a/jobflow_simple.ipynb b/jobflow_simple.ipynb
index 2bcaa7e..7614eec 100644
--- a/jobflow_simple.ipynb
+++ b/jobflow_simple.ipynb
@@ -62,7 +62,12 @@
   {
    "id": "fb847d49-7bf9-4839-9b99-c116d1b0e9ee",
    "cell_type": "code",
-   "source": "from simple_workflow import (\n    add_x_and_y as _add_x_and_y, \n    get_prod_and_div as _get_prod_and_div,\n)",
+   "source": [
+    "from simple_workflow import (\n",
+    "    get_sum as _get_sum,\n",
+    "    get_prod_and_div as _get_prod_and_div,\n",
+    ")"
+   ],
    "metadata": {
     "trusted": true
    },
@@ -82,7 +87,10 @@
   {
    "id": "07598344-0f75-433b-8902-bea21a42088c",
    "cell_type": "code",
-   "source": "add_x_and_y = job(_add_x_and_y)\nget_prod_and_div = job(_get_prod_and_div, data=[\"prod\", \"div\"])",
+   "source": [
+    "get_sum = job(_get_sum)\n",
+    "get_prod_and_div = job(_get_prod_and_div, data=[\"prod\", \"div\"])"
+   ],
    "metadata": {
     "trusted": true
    },
@@ -102,7 +110,7 @@
   {
    "id": "2b88a30a-e26b-4802-89b7-79ca08cc0af9",
    "cell_type": "code",
-   "source": "w = add_x_and_y(x=obj.output.prod, y=obj.output.div)",
+   "source": "w = get_sum(x=obj.output.prod, y=obj.output.div)",
    "metadata": {
     "trusted": true
    },
diff --git a/pyiron_base_simple.ipynb b/pyiron_base_simple.ipynb
index f4c6f7d..2b34f9a 100644
--- a/pyiron_base_simple.ipynb
+++ b/pyiron_base_simple.ipynb
@@ -56,7 +56,12 @@
   {
    "id": "fb847d49-7bf9-4839-9b99-c116d1b0e9ee",
    "cell_type": "code",
-   "source": "from simple_workflow import (\n    add_x_and_y as _add_x_and_y, \n    get_prod_and_div as _get_prod_and_div,\n)",
+   "source": [
+    "from simple_workflow import (\n",
+    "    get_sum as _get_sum,\n",
+    "    get_prod_and_div as _get_prod_and_div,\n",
+    ")"
+   ],
    "metadata": {
     "trusted": true
    },
@@ -76,7 +81,10 @@
   {
    "id": "07598344-0f75-433b-8902-bea21a42088c",
    "cell_type": "code",
-   "source": "add_x_and_y = job(_add_x_and_y)\nget_prod_and_div = job(_get_prod_and_div, output_key_lst=[\"prod\", \"div\"])",
+   "source": [
+    "get_sum = job(_get_sum)\n",
+    "get_prod_and_div = job(_get_prod_and_div, output_key_lst=[\"prod\", \"div\"])"
+   ],
    "metadata": {
     "trusted": true
    },
@@ -96,7 +104,7 @@
   {
    "id": "a5e5ca63-2906-47c9-bac6-adebf8643cba",
    "cell_type": "code",
-   "source": "w = add_x_and_y(x=obj.output.prod, y=obj.output.div)",
+   "source": "w = get_sum(x=obj.output.prod, y=obj.output.div)",
    "metadata": {
     "trusted": true
    },
diff --git a/simple_workflow.py b/simple_workflow.py
index afc4d72..3a12993 100644
--- a/simple_workflow.py
+++ b/simple_workflow.py
@@ -2,6 +2,5 @@ def get_prod_and_div(x, y):
     return {"prod": x * y, "div": x / y}
 
 
-def add_x_and_y(x, y):
-    w = x + y
-    return w
\ No newline at end of file
+def get_sum(x, y):
+    return x + y
diff --git a/workflow_simple.json b/workflow_simple.json
index 7e3bdcc..3e19d16 100644
--- a/workflow_simple.json
+++ b/workflow_simple.json
@@ -1,7 +1,7 @@
 {
   "nodes": [
     {"id": 0, "function": "simple_workflow.get_prod_and_div"},
-    {"id": 1, "function": "simple_workflow.add_x_and_y"},
+    {"id": 1, "function": "simple_workflow.get_sum"},
     {"id": 2, "value": 1},
     {"id": 3, "value": 2}
   ],