Fix typos in binary_search.m

Author: StepfenShawn

algorithms/Searching/binary_search.m

@@ -7,7 +7,7 @@
 % repeat searching for this new range. 
 % If target can be found in array, this function returns its index.
 % If target can not be found in array, it displays "target is not found in
-% aray"
+% array"
 
 array_length = length(A);
 counter = 0;                                      % number of iteration in searching algorithm
@@ -34,4 +34,4 @@
 if counter > floor(log(array_length))+1
     disp('target is not found in aray')
 end
-end
+end