more string escaping tweaks per JuliaLang/julia#22800

Author: samoconnor

src/OpsWorks.jl

@@ -3824,7 +3824,7 @@ The layer name, which is used by the console.
 
 
 ## `Shortname = ::String`
-For custom layers only, use this parameter to specify the layer's short name, which is used internally by AWS OpsWorks Stacks and by Chef. The short name is also used as the name for the directory where your app files are installed. It can have a maximum of 200 characters and must be in the following format: /\\A[a-z0-9\\-\\_\.]+\\Z/.
+For custom layers only, use this parameter to specify the layer's short name, which is used internally by AWS OpsWorks Stacks and by Chef. The short name is also used as the name for the directory where your app files are installed. It can have a maximum of 200 characters and must be in the following format: /\\A[a-z0-9\\-\\_\\.]+\\Z/.
 
 The built-in layers' short names are defined by AWS OpsWorks Stacks. For more information, see the [Layer Reference](http://docs.aws.amazon.com/opsworks/latest/userguide/layers.html)
 

src/S3.jl

@@ -5012,7 +5012,7 @@ The following example uploads an object. The request specifies optional object t
 Input:
 ```
 [
-    "Body" => "c:\HappyFace.jpg",
+    "Body" => "c:\\HappyFace.jpg",
     "Bucket" => "examplebucket",
     "Key" => "HappyFace.jpg",
     "Tagging" => "key1=value1&key2=value2"