Fix typo in compiler_tutorial.ipynb (#460)

* Fix typo in compiler_tutorial.ipynb

documention -> documentation

* Update CHANGELOG

---------

Co-authored-by: Nguyen Damien <ngn.damien@gmail.com>

Author: eltociear

CHANGELOG.md

@@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 -   Python context manager `with flushing(MainEngine()) as eng:`
 
+### Fixed
+
+-   Fixed some typos (thanks to @eltociear)
+
 ### Repository
 
 -   Update GitHub workflows to work with merge queues

examples/compiler_tutorial.ipynb

@@ -231,7 +231,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Please have a look at the documention of the [restrictedgateset](http://projectq.readthedocs.io/en/latest/projectq.setups.html#module-projectq.setups.restrictedgateset) for details. The above compiler compiles the circuit to gates consisting of any single qubit gate, the `CNOT` and `Toffoli` gate. The gate specifications can either be a gate class, e.g., `Rz` or a specific instance `Rz(math.pi)`. A smaller but still universal gate set would be for example `CNOT` and `Rz, Ry`:"
+    "Please have a look at the documentation of the [restrictedgateset](http://projectq.readthedocs.io/en/latest/projectq.setups.html#module-projectq.setups.restrictedgateset) for details. The above compiler compiles the circuit to gates consisting of any single qubit gate, the `CNOT` and `Toffoli` gate. The gate specifications can either be a gate class, e.g., `Rz` or a specific instance `Rz(math.pi)`. A smaller but still universal gate set would be for example `CNOT` and `Rz, Ry`:"
    ]
   },
   {
@@ -292,7 +292,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "As mentioned in the documention of [this setup](http://projectq.readthedocs.io/en/latest/projectq.setups.html#module-projectq.setups.restrictedgateset), one cannot (yet) choose an arbitrary gate set but there is a limited choice. If it doesn't work for a specified gate set, the compiler will either raises a `NoGateDecompositionError` or a `RuntimeError: maximum recursion depth exceeded...` which means that for this particular choice of gate set, one would be required to write more [decomposition rules](https://github.com/ProjectQ-Framework/ProjectQ/tree/develop/projectq/setups/decompositions) to make it work. Also for some choice of gate set there might be compiler engines producing more optimal code."
+    "As mentioned in the documentation of [this setup](http://projectq.readthedocs.io/en/latest/projectq.setups.html#module-projectq.setups.restrictedgateset), one cannot (yet) choose an arbitrary gate set but there is a limited choice. If it doesn't work for a specified gate set, the compiler will either raises a `NoGateDecompositionError` or a `RuntimeError: maximum recursion depth exceeded...` which means that for this particular choice of gate set, one would be required to write more [decomposition rules](https://github.com/ProjectQ-Framework/ProjectQ/tree/develop/projectq/setups/decompositions) to make it work. Also for some choice of gate set there might be compiler engines producing more optimal code."
    ]
   },
   {