fix typo

Author: AndresContreras96

algorithms/sorting/select_sort.m

@@ -4,11 +4,11 @@
 %%smallest element in the unsorted list
         minimum_index=i;
             for j=i+1:length(arrayToSort)
-                if (arrayToSort(j) < arrayToSort(minimun_index))
-                    minimun_index=j;
+                if (arrayToSort(j) < arrayToSort(minimum_index))
+                    minimum_index=j;
                 endif
             endfor    
-%%replace the element with the minimun value of the unsorted array
-        arrayToSort([i minimun_index]) = arrayToSort([minimun_index i]);
+%%replace the element with the minimum value of the unsorted array
+        arrayToSort([i minimum_index]) = arrayToSort([minimum_index i]);
     endfor
 endfunction