Three small changes in documentation

cookbook/subapp.md

@@ -3,7 +3,7 @@ layout: default
 title: using subapplications
 ---
 
-# using subapplications
+# Using subapplications
 
 Other languages [français](/../cookbook/subapp/fr) | ...
 
@@ -30,6 +30,8 @@ In `blog.py`:
 
     app_blog = web.application(urls, locals())
 
+Note that if you are using WSGI, you must not append `.wsgifunc()` to any of the app definitions, only to the main `code.py`.
+
 In your main `code.py`:
 
     import web
@@ -46,4 +48,4 @@ In your main `code.py`:
     app = web.application(urls, locals())
 
     if __name__ == "__main__":
-        app.run()
+        app.run()

docs/0.3/tutorial.md

@@ -153,7 +153,7 @@ and change the definition of `index.GET` to:
 
 and delete the line setting name. Now visit `/Joe` and it should say hello to Joe.
 
-If you wish to learn more about web.py templates, vist the <a href="/docs/0.3/templetor">templetor page</a>.
+If you wish to learn more about web.py templates, visit the <a href="/docs/0.3/templetor">templetor page</a>.
 
 <a name="forms"> </a>
 ## Forms

form.md

@@ -33,6 +33,8 @@ The form module defines 2 primary classes: the Form class, and the Input class.
 
 A basic login form would look like this:
 
+    from web import form 
+
     login = form.Form(
         form.Textbox('username'),
         form.Password('password'),
@@ -158,4 +160,4 @@ And sample formtest.html (place this in the *templates* subdirectory):
     <form name="main" method="post"> 
     $if not form.valid: <p class="error">Try again, AmeriCAN:</p>
     $:form.render()
-    <input type="submit" />    </form>
+    <input type="submit" />    </form>