update updatechannel docs (#16)

docs/config.mdx

@@ -31,7 +31,7 @@ use ":" as level separators.
 | autoupdate:enabled | bool | enable/disable checking for updates |
 | autoupdate:intervalms | float64 | time in milliseconds to wait between update checks |
 | autoupdate:installonquit | bool | whether to automatically install updates on quit |
-| autoupdate:channel | string | the auto update channel |
+| autoupdate:channel | string | the auto update channel "latest" (stable builds), or "beta" (updated more frequently) |
 | widget:showhelp | bool | whether to show help/tips widgets in right sidebar |
 | window:transparent | bool | set to true to enable window transparency (on platform where it is supported) |
 | window:blur | bool | set to enable window background blurring |

docs/telemetry.mdx

@@ -63,7 +63,7 @@ Lastly, some data is sent along with the telemetry that describes how to classif
 | ClientId | This is an anonymous UUID created when Waveterm is first launched. It is used for telemetry and sending prompts to Open AI.
 | AppType | This is used to differentiate the current version of waveterm from the legacy app. |
 | AutoUpdateEnabled | Whether or not auto update is turned on. |
-| AutoUpdateChannel | The type of auto update in use. This specifically refers to whether a stable or beta channel is selected. |
+| AutoUpdateChannel | The type of auto update in use. This specifically refers to whether a latest or beta channel is selected. |
 | CurDay | The current day (in your time zone) when telemetry is sent. It does not include the time of day.
 
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