docs(golang): Minor grammar error in readme (#30938)

Co-authored-by: Rhys Arkins <rhys@arkins.net>

docs/usage/golang.md

@@ -22,7 +22,7 @@ To learn what these variables do, read the [Go Modules Reference about the`GOPRO
 1. Renovate extracts existing dependencies from `require` statements
 1. Renovate resolves the dependency's source repository and checks for SemVer tags if found. Otherwise commits and `v0.0.0-....` syntax will be used
 1. If Renovate finds an update, Renovate will update `go.mod` to the new value
-1. Renovate runs `go get` to update the `go.sum` files (you can configure which directory are included using the `goGetDirs` option)
+1. Renovate runs `go get` to update the `go.sum` files (you can configure which directories are included using the `goGetDirs` option)
 1. If the user has enabled the option `gomodUpdateImportPaths` in the [`postUpdateOptions`](./configuration-options.md#postupdateoptions) array, then Renovate uses [mod](https://github.com/marwan-at-work/mod) to update import paths on major updates, which can update any Go source file
 1. If the user has any of the available `gomodTidy` options (e.g. `gomodTidy1.17`) in the [`postUpdateOptions`](./configuration-options.md#postupdateoptions), then Renovate runs `go mod tidy` with the respective options (multiple options are allowed).
 1. `go mod vendor` is run if vendored modules are detected