Typo fixes (#133)

* typo fixes

* Chris suggestion

Author: jordan-smith721

source/connection-troubleshooting.txt

@@ -124,7 +124,7 @@ The following example shows how to percent encode "#MyPassword?":
 
 .. code-block:: csharp
 
-   Console.WriteLine(System.Web.HttpUtility.UrlEncode("#MyPaassword?"));
+   Console.WriteLine(System.Web.HttpUtility.UrlEncode("#MyPassword?"));
 
 This results in the following output:
 

source/faq.txt

@@ -147,8 +147,8 @@ The error message consists of multiple parts:
    servers that the driver is aware of is a key part of this view. Each
    server description contains an exhaustive description of its current
    state including information about an endpoint, a server version, a
-   server type, and its current health state. If the server is not
-   heathy, ``HeartbeatException`` contains the exception from the
+   server type, and its current health state. If the server encounters issues in
+   reporting its health, ``HeartbeatException`` contains the exception from the
    last failed heartbeat. Analyzing the ``HeartbeatException`` on each
    cluster node can assist in diagnosing most server selection issues.
    The following heartbeat exceptions are common: