[docs] minor fixes for Falcon and Pyramid (#459)

Author: Emanuele Palazzetti

ddtrace/contrib/falcon/__init__.py

@@ -8,7 +8,7 @@
     mw = TraceMiddleware(tracer, 'my-falcon-app', distributed_tracing=True)
     falcon.API(middleware=[mw])
 
-You can also use the autopatching functionality:
+You can also use the autopatching functionality::
 
     import falcon
     from ddtrace import tracer, patch
@@ -18,7 +18,7 @@
     app = falcon.API()
 
 To enable distributed tracing when using autopatching, set the
-DATADOG_FALCON_DISTRIBUTED_TRACING environment variable to true.
+``DATADOG_FALCON_DISTRIBUTED_TRACING`` environment variable to ``True``.
 """
 from ...utils.importlib import require_modules
 

ddtrace/contrib/pyramid/__init__.py

@@ -21,8 +21,8 @@
 * ``datadog_trace_enabled``: sets if the Tracer is enabled or not
 * ``datadog_distributed_tracing``: set it to ``True`` to enable Distributed Tracing
 
-If you use the 'pyramid.tweens' settings value to set the tweens for your
-application, you need to add 'ddtrace.contrib.pyramid:trace_tween_factory'
+If you use the ``pyramid.tweens`` settings value to set the tweens for your
+application, you need to add ``ddtrace.contrib.pyramid:trace_tween_factory``
 explicitly to the list. For example::
 
     settings = {