fix: spelling issues

ping-payload-extensions/extensions.md

@@ -1,12 +1,12 @@
 # This document lists defined extensions
-Some extensions are network specific some are generic
-
 This is a list and short description of all the extensions
 
+- Extensions can be supported by all sub-networks or a subsection
+
 
 | Type number  |  Name | Supported sub-networks  | Short Description  | Is this call Required to Implement  |
 |---|---|---|---|---|
 | [0](extensions/type-0.md)  |  Capabilities | All  | Provides a list of enabled extensions  |  Yes  |
 | [1](extensions/type-1.md)  |  Basic Radius Payload | State, Beacon | Provides the nodes Radius  |  Yes  |
 | [2](extensions/type-2.md)  | History Radius Payload  |  History | Provides the nodes radius and ephemeral header count  |  Yes  |
-| [3](extensions/type-3.md)  |  Client Info | All  | It will return you something like `trin/0.1.1-2b00d730/linux-x86_64/rustc1.81.0`  |  Yes  |
+| [3](extensions/type-3.md)  |  Client Info | All  | Returns client info e.x. `trin/0.1.1-2b00d730/linux-x86_64/rustc1.81.0`  |  Yes  |

ping-payload-extensions/extensions/type-0.md

@@ -11,7 +11,7 @@ MAX_CAPABILITIES_LENGTH = 500
 
 capabilities = SSZ.serialize(List[u16, MAX_CAPABILITIES_LENGTH])
 
-BasicRadiusPayload = Container(
+CapabilitiesPayload = Container(
   type: 0,
   payload: capabilities
 )

ping-payload-extensions/extensions/type-3.md

@@ -1,6 +1,6 @@
 # Get Client info
 
-This payload is only supposed to be usable from all Networks. This payload allows you to figure out peer's client info. Which will be useful for censuses.
+This payload MUST be available from all sub-networks. This payload allows you to figure out peer's client info. Which will be useful for censuses.
 
 
 ### Type Specifications