Minor fixes to DSL reference documentation

Signed-off-by: hiren <[email protected]>

Author: hirenr

dsl-reference.md

@@ -896,7 +896,7 @@ do:
   - runScript:
       run:
         script:
-          language: js
+          language: javascript
           code: >
             Some cool multiline script
 
@@ -928,7 +928,7 @@ Enables the execution of external processes encapsulated within a containerized
 | ports | `map` | `no` | The container's port mappings, if any  |
 | volumes | `map` | `no` | The container's volume mappings, if any  |
 | environment | `map` | `no` | A key/value mapping of the environment variables, if any, to use when running the configured process |
-| stdin | `string` | `no` | A runtime expression, if any, passed as argv to the command or default container CMD|
+| stdin | `string` | `no` | A runtime expression, if any, passed as standard input to the command or default container CMD|
 | arguments | `string[]` | `no` | A list of the arguments, if any, passed as argv to the command or default container CMD |
 | lifetime | [`containerLifetime`](#container-lifetime) | `no` | An object used to configure the container's lifetime. |
 
@@ -2525,7 +2525,7 @@ do:
   - runScript:
       run:
         script:
-          language: js
+          language: javascript
           code: >
             Some cool multiline script
         return: code