Made a few spelling and grammar corrections/adjustments to the docs under guide.

docs/guide/ext/jupyter.rst

@@ -1,8 +1,8 @@
 Bonobo with Jupyter
 ===================
-
-There is a builtin plugin that integrates (kind of minimalistically, for now) bonobo within jupyter notebooks, so
-you can read the execution status of a graph within a nice (ok not so nice) html/javascript widget.
+minimalistically
+There is a builtin plugin that integrates (somewhat minimallistically, for now) bonobo within jupyter notebooks, so
+you can read the execution status of a graph within a nice (ok, not so nice) html/javascript widget.
 
 See https://github.com/jupyter-widgets/widget-cookiecutter for the base template used.
 

docs/guide/purity.rst

@@ -128,7 +128,7 @@ Now let's see how to do it correctly:
                 'index': i
             }
 
-I hear you think «Yeah, but if I create like millions of dicts ...».
+I bet you think «Yeah, but if I create like millions of dicts ...».
 
 Let's say we chose the opposite way and copied the dict outside the transformation (in fact, `it's what we did in bonobo's
 ancestor <https://github.com/rdcli/rdc.etl/blob/dev/rdc/etl/io/__init__.py#L187>`_). This means you will also create the

docs/guide/services.rst

@@ -12,8 +12,8 @@ If you're going a little further than that, you'll feel limited, for a few reaso
 
 * Hardcoded and tightly linked dependencies make your transformations hard to test, and hard to reuse.
 * Processing data on your laptop is great, but being able to do it on different target systems (or stages), in different
-  environments, is more realistic. You'll want to contigure a different database on a staging environment,
-  preprod environment or production system. Maybe you have silimar systems for different clients and want to select
+  environments, is more realistic. You'll want to configure a different database on a staging environment,
+  pre-production environment, or production system. Maybe you have similar systems for different clients and want to select
   the system at runtime. Etc.
 
 Service injection
@@ -44,7 +44,7 @@ Let's define such a transformation:
                 'category': database.get_category_name_for_sku(row['sku'])
             }
 
-This piece of code tells bonobo that your transformation expect a sercive called "primary_sql_database", that will be
+This piece of code tells bonobo that your transformation expect a service called "primary_sql_database", that will be
 injected to your calls under the parameter name "database".
 
 Function-based transformations

docs/guide/transformations.rst

@@ -22,7 +22,7 @@ underscores and lowercase names:
     def uppercase(s: str) -> str:
         return s.upper()
 
-If you're naming something which is configurable, that will need to be instanciated or called to obtain something that
+If you're naming something which is configurable, that will need to be instantiated or called to obtain something that
 can be used as a graph node, then use camelcase names:
 
 .. code-block:: python