docs: fix bold text error

there is a error of the bold text,remove a `space`

Change-Id: Ib861ddcad59ad8e89261b152844de3313c61978f
GitHub-Last-Rev: 1bad92530d0ff71ed82cde4f39a7c04a25213ebb
GitHub-Pull-Request: golang/vscode-go#1786
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/363009
Trust: Nooras Saba‎ <saba@golang.org>
Trust: Robert Findley <rfindley@google.com>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
diff --git a/docs/debugging.md b/docs/debugging.md
index a8404b3..c5ef48f 100644
--- a/docs/debugging.md
+++ b/docs/debugging.md
@@ -7,7 +7,7 @@
 As the new [`Delve`'s native DAP implementation](https://github.com/go-delve/delve/tree/master/service/dap) becomes available,
 the Go extension is transitioning to skip the legacy debug adapter and directly communicate with Delve for local debugging.
 
-** 📣 We are happy to announce that now this new mode of Delve integration (_`dlv-dap`_ mode) is enabled for _local_ _debugging_ by default! **
+ 📣 **We are happy to announce that now this new mode of Delve integration (_`dlv-dap`_ mode) is enabled for _local_ _debugging_ by default!**
 
 Delve DAP implementation's support for remote debugging is still a work in progress and the Go extension still uses
 the legacy debug adapter for the debug configuration with the `"remote"` mode.