docs(tasks): use specific language in capability section intros

Author: LucaButBoring

docs/specification/draft/basic/utilities/tasks.mdx

@@ -38,7 +38,7 @@ Servers and clients that support task RPC methods (`tasks/get`, `tasks/result`,
 
 ### Server Capabilities
 
-Servers declare if they support task operations.
+Servers declare which task methods they support.
 
 | Capability     | Description                                  |
 | -------------- | -------------------------------------------- |
@@ -64,7 +64,7 @@ Servers declare if they support task operations.
 
 ### Client Capabilities
 
-Clients declare if they support task operations.
+Clients declare which task methods they support.
 
 | Capability     | Description                                  |
 | -------------- | -------------------------------------------- |