diff --git a/ml21/preprocessing/06_Rescaling_Data.ipynb b/ml21/preprocessing/06_Rescaling_Data.ipynb
index 3feed22..9bf0f6c 100644
--- a/ml21/preprocessing/06_Rescaling_Data.ipynb
+++ b/ml21/preprocessing/06_Rescaling_Data.ipynb
@@ -87,7 +87,7 @@
    "source": [
     "The three terms are frequently used interchangeably, but their meanings differ.\n",
     "\n",
-    "* **Rescaling ** means adding/subtracting a constant, then multiplying/dividing by another constant, so the features can lie between given minimum and maximum values. For example, convert Celsius to Fahrenheit or convert to [0, 1].\n",
+    "* **Rescaling** means adding/subtracting a constant, then multiplying/dividing by another constant so the features can lie between given minimum and maximum values. For example, convert Celsius to Fahrenheit or [0, 1].\n",
     "\n",
     "* **Standardizing**: subtract the mean and divide by the standard deviation, obtaining a \"standard normal\" distribution.\n",
     "\n",
@@ -929,7 +929,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.13"
+   "version": "3.11.7"
   },
   "latex_envs": {
    "LaTeX_envs_menu_present": true,