diff --git a/README.txt b/README.md
similarity index 68%
rename from README.txt
rename to README.md
index 0bb6782..8ebaea2 100644
--- a/README.txt
+++ b/README.md
@@ -2,6 +2,6 @@
 
 Library to use the RISC OS Toolbox in Python.
 
-Hyper contains a python port of the Hyper toolox demo application.
+Hyper contains a python port of the Hyper Toolbox demo application.
 
 Written by Chris Johns, with contributions from Charles Ferguson and Lauren Croney
diff --git a/riscos_toolbox/events.py b/riscos_toolbox/events.py
index 1062733..81de41a 100644
--- a/riscos_toolbox/events.py
+++ b/riscos_toolbox/events.py
@@ -14,7 +14,7 @@
 # To handle a toolbox event, the @toolbox_handler decorator is used on a member of
 # a class derived from riscos_toolbox.  event.EvebtDispatcher, such as .Object
 # or .Application. The decorator can be used to match all components (with
-# @ToolboxEvebt(event)...), one component (@toolbxo_handler(event, component)...)
+# @ToolboxEvent(event)...), one component (@toolbox_handler(event, component)...)
 # or a list of components (@toolbox_handler(event, [comp1,comp2]...)
 #
 # 'event' can either be a class name derived from Event, or an integer number. In
@@ -22,7 +22,7 @@
 # using it's from_block method. In the second, the handler will be called with the
 # raw data from the wimp poll block.
 #
-# When a toolbox event is recieved, the library will try each of the self,
+# When a toolbox event is received, the library will try each of the self,
 # parent and ancestor objects, followed by the application object, to see if
 # it has a suitable handler.
 #
diff --git a/riscos_toolbox/gadgets/__init__.py b/riscos_toolbox/gadgets/__init__.py
index 618a5f7..863f41a 100644
--- a/riscos_toolbox/gadgets/__init__.py
+++ b/riscos_toolbox/gadgets/__init__.py
@@ -98,7 +98,7 @@ def _miscop_get_string(self, op, flags=0):
 
     def _miscop_set_font(self, op, name, width=None, height=None, size=None):
         """Use Toolbox_ObjectMiscOp to set a font. Specify the font name and
-           height and width or size (in points). Specifing height, with and size
+           height and width or size (in points). Specifying height, with and size
            will result in size value being ignored. If font name is None, the
            system font will be used."""
         if width is None and height is None and size:
diff --git a/riscos_toolbox/gadgets/textarea.py b/riscos_toolbox/gadgets/textarea.py
index c04dd80..e8217ca 100644
--- a/riscos_toolbox/gadgets/textarea.py
+++ b/riscos_toolbox/gadgets/textarea.py
@@ -47,7 +47,7 @@ def text(self):
     def text(self, text):
         self._miscop_set_string(TextArea.SetText, text)
 
-    # GetSelection and SetSelection work siimilarly to StringSet's, but the flags are
+    # GetSelection and SetSelection work in a similar way to StringSet's, but the flags are
     # backwards, meaning bit 0 set is return string and bit 0 clear is return text.
     # These two usages have been split into two properties, selection_points for the indices
     # and selection for the text itself.
@@ -66,7 +66,7 @@ def selection_points(self, indexes):
                 self.id, start, end)
 
     # No matter what, this seems to return 1 character past where it should;
-    # This was tested with the C veneer and had the same behavior, so it appears
+    # This was tested with the C veneer and had the same behaviour, so it appears
     # to be a quirk or bug with the Toolbox itself. Otherwise, it is harmless as
     # selecting the whole text causes no problems.
     @property
diff --git a/riscos_toolbox/mixins/printing.py b/riscos_toolbox/mixins/printing.py
index 50b8a86..088c735 100644
--- a/riscos_toolbox/mixins/printing.py
+++ b/riscos_toolbox/mixins/printing.py
@@ -27,7 +27,7 @@ def declare_fonts(self):
     def give_rectangles(self, page, sideways, scale):
         """
         Gets the rectangles needed to draw the given page. If sideways is True
-        it should be drawn sidewase, otherwise upright.
+        it should be drawn sideways, otherwise upright.
 
         Returns a list of
         ( id (unsigned int),