Fixed hierarchical spelling.

Codes/Code-6.md

@@ -14,7 +14,7 @@ Problem Statement: Implement K-Means clustering/ hierarchical clustering on `sal
 3. Select numerical features for clustering
 4. Standarize data
 5. K-Means clustering
-6. Hierarcial clustering
+6. Hierarchical clustering
 
 ---
 
@@ -91,7 +91,7 @@ print("\nK-Means Cluster Centers:\n", kmeans.cluster_centers_)
 print("\nCluster counts:\n", df['KMeans_Cluster'].value_counts())
 ```
 
-### 6. Hierarchial clustering:
+### 6. Hierarchical clustering:
 
 ```python3
 # Create linkage matrix