Add more detail to close() docs (#7300)

* Add more detail to close() docs

* Run gen

docs/kcl-std/close.md

@@ -14,7 +14,7 @@ close(
 ): Sketch
 ```
 
-
+If you want to perform some 3-dimensional operation on a sketch, like extrude or sweep, you must `close` it first. `close` must be called even if the end point of the last segment is coincident with the sketch starting point.
 
 ### Arguments
 

docs/kcl-std/std.json

@@ -53607,7 +53607,7 @@
   {
     "name": "close",
     "summary": "Construct a line segment from the current origin back to the profile's origin, ensuring the resulting 2-dimensional sketch is not open-ended.",
-    "description": "",
+    "description": "If you want to perform some 3-dimensional operation on a sketch, like extrude or sweep, you must `close` it first. `close` must be called even if the end point of the last segment is coincident with the sketch starting point.",
     "tags": [
       "sketch"
     ],