updated range example, added now function

content/v2.0/reference/flux/functions/built-in/misc/now.md

@@ -0,0 +1,26 @@
+---
+title: now() function
+description: The `now()` function returns the current system time.
+aliases:
+  - /v2.0/reference/flux/functions/misc/systemtime
+menu:
+  v2_0_ref:
+    name: now
+    parent: built-in-misc
+weight: 401
+---
+
+The `now()` function returns the current time (GMT).
+
+_**Function type:** Date/Time_  
+_**Output data type:** Time_
+
+```js
+now()
+```
+
+## Examples
+```js
+data
+  |> range(start: -10h, stop: now())
+```

content/v2.0/reference/flux/functions/built-in/misc/systemtime.md

@@ -21,5 +21,5 @@ systemTime()
 
 ## Examples
 ```js
-offsetTime = (offset) => systemTime() |> shift(shift: offset)
+offsetTime = (offset) => systemTime() |> timeShift(duration: offset)
 ```

content/v2.0/reference/flux/functions/built-in/transformations/range.md

@@ -20,7 +20,7 @@ _**Function type:** Transformation_
 _**Output data type:* Object_
 
 ```js
-range(start: -15m, stop: now)
+range(start: -15m, stop: now())
 ```
 
 ## Parameters
@@ -45,7 +45,7 @@ _**Data type:** Duration or Timestamp_
 
 {{% note %}}
 Flux only honors [RFC3339 timestamps](/v2.0/reference/flux/language/types#timestamp-format)
-and ignores dates and times provided in other formats. 
+and ignores dates and times provided in other formats.
 {{% /note %}}
 
 ## Examples