Fix typo in Dlang-module.md
@@ -7,7 +7,7 @@ This module provides tools related to the D programming language.
To use this module, just do: **`dlang = import('dlang')`**.
You can, of course, replace the name `dlang` with anything else.
-The module only exposes one fucntion, `generate_dub_file`, used to
+The module only exposes one function, `generate_dub_file`, used to
automatically generate Dub configuration files.
### generate_dub_file()
