fix spelling errors in code examples
@@ -153,7 +153,7 @@ Tornado Coroutines
------------------
If we are operating in an asynchronous environment then the blocking functions
-listed above become have asynchronous equivalents. You must start your client
+listed above become asynchronous equivalents. You must start your client
with the ``asynchronous=True`` keyword and ``yield`` or ``await`` blocking
functions.
@@ -174,7 +174,7 @@ call.
client = Client() # normal blocking client
- @gen.corotuine
+ @gen.coroutine
def f():
futures = client.map(func, L)
results = yield client.gather(futures, asynchronous=True)
