fixing a couple very minor spelling errors (#5)

Fix minor spelling errors.

Author: tkriplean

hyperdiv_docs/pages/guide/modular_apps.py

@@ -7,7 +7,7 @@
 @router.route("/guide/modular-apps")
 def modular_apps():
     with page() as p:
-        p.title("# Buiding Modular Apps")
+        p.title("# Building Modular Apps")
 
         docs_markdown(
             """

hyperdiv_docs/pages/guide/tasks.py

@@ -137,7 +137,7 @@ def slow_function(state):
             """
 
             The previous example shows how to run a one-time task in
-            repose to an event, in this case `clicked`.
+            response to an event, in this case `clicked`.
 
             Another core use of task is for slow reads. For example,
             running a heavy database query: