Updated docs from upstream

Triggered by d744eaa2f6d02986af8d7b8933f75d65b314e5fc

Author: ohsayan

docs/6.all-actions.md

@@ -10,6 +10,7 @@ Skytable currently supports the following actions:
 - [EXISTS](actions/EXISTS.md)
 - [FLUSHDB](actions/FLUSHDB.md)
 - [GET](actions/GET.md)
+- [HEYA](actions/HEYA.md)
 - [KEYLEN](actions/KEYLEN.md)
 - [LSKEYS](actions/LSKEYS.md)
 - [MGET](actions/MGET.md)

docs/actions/HEYA.md

@@ -2,10 +2,23 @@
 id: heya
 title: HEYA
 ---
+
 :::note About
 **Time complexity**: O(1)  
-**Arguments**: `HEYA`  
-**Returns**: HEY!
+**Accept type**:
+
+- [AnyArray](../protocol/data-types.md#any-array)
+
+**Return type**:
+
+- [String](../protocol/skyhash.md#strings-)
+
+**Syntax**:
+
+- `HEYA`
+- `HEYA <message>`
+
 :::
-### Description
-A ping action. `HEYA` should return `HEY!`
+
+Either returns a "HEY!" or returns the provided argument as a String
+

docs/actions/MPOP.md

@@ -19,10 +19,10 @@ title: MPOP
 
 :::
 
-Deletes and returns the values of the provided keys from the current table. If the database is poisoned,
-this will return a server error. An exceptional scenario can arise when the database
-fails in-between removing all the keys. In that case, you get the server error
-response code instead of the keys. If the server recovers inbetween, then the
-appropriate values (if any) will be returned. In all other cases a NIL error is
+Deletes and returns the values of the provided 'n' keys from the current table.
+If the database is poisoned, this will return a server error. An exceptional scenario
+can arise when the database fails in-between removing all the keys. In that case, you
+get the server error response code instead of the keys. If the server recovers inbetween,
+then the appropriate values (if any) will be returned. In all other cases a NIL error is
 returned (code 1)