Update build-help.mdx

Author: userdocs

docs/src/content/docs/build-help.mdx

@@ -252,7 +252,7 @@ Add your patches there, for example.
 
 ## Build - default profile
 
-Install all default modules (ICU is skipped) and build `qbittorrent-nox` to the default build directory `qbt-build/compelted`.
+Install all default modules (ICU is skipped) and build `qbittorrent-nox` to the default build directory `qbt-build/completed`.
 
 ```bash
 ./qbt-nox-static.bash all