Fix typos

Author: normj

Libraries/src/Amazon.Lambda.RuntimeSupport/Client/InternalClientAdapted.cs

@@ -696,7 +696,7 @@ public RuntimeApiClientException(string message, int statusCode, string response
         }
 
         /// <summary>
-        /// 
+        /// Returns a formatted string containing the HTTP response and base exception information.
         /// </summary>
         /// <returns></returns>
         public override string ToString()

Libraries/src/Amazon.Lambda.RuntimeSupport/Context/LambdaEnvironment.cs

@@ -92,7 +92,7 @@ internal void SetXAmznTraceId(string xAmznTraceId)
         public string FunctionMemorySize { get; private set; }
 
         /// <summary>
-        /// Gets the FunctionMemorySize
+        /// Gets the FunctionName
         /// </summary>
         public string FunctionName { get; private set; }