diff --git a/0_Installation.ipynb b/0_Installation.ipynb
index 143edc6936b3bd256625816c13adf17c8c7f6de3..28b722c66ee18e25d16844e775d3f40b6934444a 100644
--- a/0_Installation.ipynb
+++ b/0_Installation.ipynb
@@ -28,7 +28,7 @@
     "For following the course you will need **Julia 1.9**.\n",
     "Julia can be easily obtained in binary form from [Julia downloads](https://julialang.org/downloads/).\n",
     "\n",
-    "### 2) Getting all the rest\n",
+    "### 2) Getting all the rests\n",
     "\n",
     "To get the remaining files and dependencies start up `julia` and in the resulting REPL shell, copy and paste the following:\n",
     "```julia\n",
@@ -68,7 +68,7 @@
     "Alternatively, one can open the notebook from the command line:\n",
     "\n",
     "```bash\n",
-    "julia -L start-notebook.jl\n",
+    "julia -L start_notebook.jl\n",
     "```\n",
     "\n",
     "### \\* For users with multiple Julia versions\n",
@@ -145,7 +145,7 @@
     "\n",
     "\n",
     "```bash\n",
-    "julia -L start-notebook.jl\n",
+    "julia -L start_notebook.jl\n",
     "```\n",
     "\n",
     "### \\* Für Benutzer mit mehreren Julia-Versionen\n",
@@ -335,7 +335,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Julia 1.9.3",
+   "display_name": "julia 1.9.3",
    "language": "julia",
    "name": "julia-1.9"
   },
diff --git a/README.md b/README.md
index 3112dbda96cfae099f574998058f4d41e830ff30..3a491e609044e046a4a2df7132666fc116d517a2 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ Alternativ kann man das Notebook auch über die Befehlszeile öffnen:
 
 
 ```bash
-julia -L start-notebook.jl
+julia -L start_notebook.jl
 ```
 
 ### \* Für Benutzer mit mehreren Julia-Versionen
@@ -131,7 +131,7 @@ Navigate the files and open notebook number 0.
 Alternatively, one can open the notebook from the command line:
 
 ```bash
-julia -L start-notebook.jl
+julia -L start_notebook.jl
 ```
 
 ### \* For users with multiple Julia versions