Update README.md

Author: alihakimtaskiran

README.md

@@ -10,11 +10,11 @@ For further documentation, see <a href="QALU.ipynb">here</a>
 |**nand_**(circ,a,b,out)|![](src/nand_s_.png)|![](src/nand_q.png)|
 |**or_**(circ,a,b,out)|![](src/or_s_.png)|![](src/or_q.png)|
 |**nor_**(circ,a,b,out)|![](src/nor_s_.png)|![](src/nor_q.png)|
-|xor_(circ,a,b,out)|![](src/xor_s_.png)|![](src/xor_q.png)|
-|xnor_(circ,a,b,out)|![](src/xnor_s_.png)|![](src/xnor_qq.png)|
-|half_adder(circ, a, b, carry,sum_)|![](src/ha_s_.png)|![](src/ha_q.png)|
-|full_adder(circ,a,b,c_in,c_out,sum_)|![](src/fa_s__.png)|![](src/fa_q.png)|
-|half_subtractor(circ, a, b, bor, diff)|![](src/hs_s_.png)|![](src/hs_q.png)|
-|full_subtractor(circ,a,b,b_in,b_out,diff)|![](src/fs_s__.png)|![](src/fs_q.png)|
-|multi_qubits_adder(circ,A,B,T,C)|![](src/mqa.png)|No state sphere provided|
-|multi_qubits_subtractor(circ,A,B,T,C)|![](src/mqs.png)|No state sphere provided|
+|**xor**_(circ,a,b,out)|![](src/xor_s_.png)|![](src/xor_q.png)|
+|**xnor**_(circ,a,b,out)|![](src/xnor_s_.png)|![](src/xnor_qq.png)|
+|**half_adder**(circ, a, b, carry,sum_)|![](src/ha_s_.png)|![](src/ha_q.png)|
+|**full_adder**(circ,a,b,c_in,c_out,sum_)|![](src/fa_s__.png)|![](src/fa_q.png)|
+|**half_subtractor**(circ, a, b, bor, diff)|![](src/hs_s_.png)|![](src/hs_q.png)|
+|**full_subtractor**(circ,a,b,b_in,b_out,diff)|![](src/fs_s__.png)|![](src/fs_q.png)|
+|**multi_qubits_adder**(circ,A,B,T,C)|![](src/mqa.png)|No state sphere provided|
+|**multi_qubits_subtractor**(circ,A,B,T,C)|![](src/mqs.png)|No state sphere provided|