Re-order installation section

README.md

@@ -21,10 +21,10 @@
 - [Features](#features)
 - [Installation](#installation)
   - [Dependencies](#dependencies)
-  - [Installing with a package manager](#installing-with-a-package-manager)
-  - [Installing from this repository](#installing-from-this-repository)
-    - [Running as a standalone utility](#running-as-a-standalone-utility)
-    - [Release packages](#release-packages)
+  - [From a package manager](#from-a-package-manager)
+  - [Release packages](#release-packages)
+  - [From source](#from-source)
+  - [Running standalone](#running-standalone)
 - [Shell completion](#shell-completion)
 - [Usage](#usage)
   - [Cmdline options](#cmdline-options)
@@ -96,7 +96,7 @@ or on Ubuntu:
 
     $ sudo apt-get install python3-urllib3 python3-cryptography python3-bs4 python3-requests
 
-#### Installing with a package manager
+#### From a package manager
 
 - [AUR](https://aur.archlinux.org/packages/buku/)
 - [Debian](https://packages.debian.org/search?keywords=buku&searchon=names&exact=1)
@@ -107,7 +107,11 @@ or on Ubuntu:
 - [Ubuntu PPA](https://launchpad.net/~twodopeshaggy/+archive/ubuntu/jarun/)
 - [Void Linux](https://github.com/voidlinux/void-packages/tree/master/srcpkgs/buku) (`sudo xbps-install -S buku`)
 
-#### Installing from this repository
+#### Release packages
+
+Packages for Arch Linux, CentOS, Fedora and Ubuntu are available with the [latest stable release](https://github.com/jarun/Buku/releases/latest).
+
+#### From source
 
 If you have git installed, clone this repository. Otherwise download the [latest stable release](https://github.com/jarun/Buku/releases/latest) or [development version](https://github.com/jarun/Buku/archive/master.zip) (*risky*).
 
@@ -118,19 +122,16 @@ Install to default location (`/usr/local`):
 To remove, run:
 
     $ sudo make uninstall
-`PREFIX` is supported. You may need to use `sudo` with `PREFIX` depending on your permissions on destination directory.
 
-##### Running as a standalone utility
+`PREFIX` is supported, in case you want to install to a different location.
+
+#### Running standalone
 
 `buku` is a standalone utility. From the containing directory, run:
 
     $ chmod +x buku.py
     $ ./buku.py
 
-##### Release packages
-
-Packages for Arch Linux, CentOS, Fedora and Ubuntu are available with the [latest stable release](https://github.com/jarun/Buku/releases/latest).
-
 ### Shell completion
 
 Shell completion scripts for Bash, Fish and Zsh can be found in respective subdirectories of [auto-completion/](https://github.com/jarun/Buku/blob/master/auto-completion). Please refer to your shell's manual for installation instructions.