Correct a few typos in comments

hyde/engine.py

@@ -114,7 +114,7 @@ class Engine(Application):
         """
         The serve command. Serves the site at the given
         deployment directory, address and port. Regenerates
-        the entire site or specific files based on ths request.
+        the entire site or specific files based on the request.
         """
         sitepath = self.main(args)
         site = self.make_site(sitepath, args.config, args.deploy)

hyde/generator.py

@@ -67,8 +67,8 @@ class Generator(object):
 
     def load_template_if_needed(self):
         """
-        Loads and configures the template environement from the site
-        configuration if its not done already.
+        Loads and configures the template environment from the site
+        configuration if it's not done already.
         """
 
         class GeneratorProxy(object):
@@ -105,7 +105,7 @@ class Generator(object):
 
     def load_site_if_needed(self):
         """
-        Checks if the site requries a reload and loads if
+        Checks if the site requires a reload and loads if
         necessary.
         """
         self.site.reload_if_needed()
@@ -266,7 +266,7 @@ class Generator(object):
                     incremental=False):
         """
         Generates a single resource. If resource_path is non-existent or empty,
-        generats the entire website.
+        generates the entire website.
         """
         if not self.generated_once and not incremental:
             return self.generate_all()

hyde/site.py

@@ -286,7 +286,7 @@ class RootNode(Node):
     def add_node(self, a_folder):
         """
         Adds a new node to this folder's hierarchy.
-        Also adds to to the hashtable of path to node associations
+        Also adds it to the hashtable of path to node associations
         for quick lookup.
         """
         folder = Folder(a_folder)