added some words about commas vs spaces

Author: joachimheintz

book/01-GS-01.md

@@ -40,7 +40,7 @@ If you are familiar with programming languages, you can see an opcode as a
 built-in function.
 
 The inputs of an opcode are called **arguments** and are written in parentheses
-immediately after the opcode name.
+immediately after the opcode name. The arguments are separated by commas.  
 So `poscil(0.2,400)` means: The opcode `poscil` gets two input arguments.
 
 - The first argument is the number `0.2`.
@@ -181,6 +181,8 @@ Each column (parameter field) specifies certain information:
 `0`: The start time of this instrument, 0 (= start immediately).  
 `2`: The duration of this instrument, 2 (seconds).
 
+The parameters are separated from each other by spaces or tabs. (_Not_ by commas as the arguments of an opcode.)
+
 ## Try it yourself
 
 (You can edit the example just by typing in it.)

resources/image_src/01/01-GS-01-a.ipynb

@@ -171,7 +171,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },

resources/image_src/01/01-GS-02-a.ipynb

@@ -109,7 +109,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },

resources/image_src/01/01-GS-02-b.ipynb

@@ -205,7 +205,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },

resources/image_src/01/01-GS-02-c.ipynb

@@ -117,7 +117,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },

resources/image_src/01/01-GS-10-a.ipynb

@@ -186,7 +186,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },