Fix typos in 2 files (#1056)

* Fixing typos in 3 files

* Fixing typos in 3 files

* Fixing typos in 2 files

quarto/contents/core/optimizations/optimizations.qmd

@@ -1274,7 +1274,7 @@ arc[radius=0.5*\ra, start angle=-80, end angle= 80]coordinate(K1);
 arc[radius=0.5*\ra, start angle=100, end angle= 260]coordinate(K2);
 \node[circle,minimum size=\ra](KR){};
 
-% #1 number of teeths
+% #1 number of teeth
 % #2 radius intern
 % #3 radius extern
 % #4 angle from start to end of the first arc

quarto/contents/labs/raspi/object_detection/object_detection.qmd

@@ -1288,7 +1288,7 @@ To start, let's call the Python Interpreter so we can explore how the YOLO model
 python3
 ```
 
-Now, we should call the YOLO library from Ultralitics and load the model:
+Now, we should call the YOLO library from Ultralytics and load the model:
 
 ```python
 from ultralytics import YOLO