fix typo

Author: DavitKhach

README.md

@@ -9,7 +9,7 @@
 This is a collection of tutorials for quantum algorithms. 
 Here is the list of the tutorials (existing and planned).
 
-* [Estimation of Bloch sphere angles](https://github.com/DavitKhach/quantum-algorithms-tutorials/blob/master/bloch_angles_estimation.ipynb)
+* [Estimation of the Bloch sphere angles](https://github.com/DavitKhach/quantum-algorithms-tutorials/blob/master/bloch_angles_estimation.ipynb)
 
 * [Quantum parallelism and Deutsch–Jozsa algorithm](https://github.com/DavitKhach/quantum-algorithms-tutorials/blob/master/quantum_parallelism_Deutsch_Jozsa.ipynb)
 

bloch_angles_estimation.ipynb

@@ -7,7 +7,7 @@
     "[<img src=\"images/quantum_algorithms_tutorials.png\" alt=\"drawing\" width=\"100\" align=\"left\"/>][6]\n",
     "\n",
     "<h2 align=\"center\">\n",
-    "Estimation of Bloch sphere angles\n",
+    "Estimation of the Bloch sphere angles\n",
     "</h2>\n",
     "\n",
     "**[[Homepage][6]]**\n",