docs: various manpage grammar fixes
treee81d3840497b654cc7f388fa74d3b485e53211eb
drwxr-xr-x - .devcontainer
-rw-r--r-- 51 .dockerignore
-rw-r--r-- 380 .editorconfig
drwxr-xr-x - .github
-rw-r--r-- 6210 .gitignore
-rw-r--r-- 1342 .shellcheckrc
drwxr-xr-x - .sublime
-rw-r--r-- 89 .vale.ini
drwxr-xr-x - .vscode
-rw-r--r-- 207 CHANGELOG.md
-rw-r--r-- 829 CONTRIBUTING.md
-rw-r--r-- 4092 Dockerfile
-rw-r--r-- 1334 LICENSE.txt
drwxr-xr-x - Library
-rw-r--r-- 8521 README.md
drwxr-xr-x - bin
drwxr-xr-x - completions
drwxr-xr-x - docs
drwxr-xr-x - manpages
drwxr-xr-x - package