Update debugging.rst (#201)

grammar fixes

Author: loftusa

debugging.rst

@@ -2,14 +2,14 @@ Debugging
 ---------
 
 Debugging is also something which once mastered can greatly enhance your
-bug hunting skills. Most of the newcomers neglect the importance of the
+bug hunting skills. Most newcomers neglect the importance of the
 Python debugger (``pdb``). In this section I am going to tell you only a
 few important commands. You can learn more about it from the official
 documentation.
 
-**Running from commandline**
+**Running from the command line**
 
-You can run a script from the commandline using the Python debugger.
+You can run a script from the command line using the Python debugger.
 Here is an example:
 
 .. code:: python
@@ -61,4 +61,4 @@ official documentation and learn more about it.
 
 **Note:**
 
-It might seem unintuitive to use `pdb.set_trace()` if you are new to this. Fortunately, if you are using Python 3.7+ then you can simply use the `breakpoint()` [built-in function](https://docs.python.org/3/library/functions.html#breakpoint). It automatically imports `pdb` and calls `pdb.set_trace()`.
+It might seem unintuitive to use `pdb.set_trace()` if you are new to this. Fortunately, if you are using Python 3.7+ then you can simply use the `breakpoint()` [built-in function](https://docs.python.org/3/library/functions.html#breakpoint). It automatically imports `pdb` and calls `pdb.set_trace()`.