docs: re-word on docstrings [ci skip]

cli/cli.go

@@ -27,19 +27,13 @@ var AutoCompleteCommand = cli.Command{
 	Aliases: []string{"ac"},
 	Usage:   "Configure shell autocompletion (recommended)",
 	Description: `
-This command helps set up autocompletion in your shell by downloading the
-relevant autocompletion files and laying out what additional information must
-be loaded.
+Set up auto-completion in your shell by downloading the relevant files and
+laying out what additional information must be loaded. Supported shells are as
+follows: bash, fizsh & zsh.
 
 Example:
 
     abra autocomplete bash
-
-Supported shells are as follows:
-
-		fizsh
-		zsh
-    bash
 `,
 	ArgsUsage: "<shell>",
 	Flags: []cli.Flag{
@@ -86,7 +80,7 @@ Supported shells are as follows:
 		switch shellType {
 		case "bash":
 			fmt.Println(fmt.Sprintf(`
-# Run the following commands to install autocompletion
+# Run the following commands to install auto-completion
 sudo mkdir /etc/bash_completion.d/
 sudo cp %s /etc/bash_completion.d/abra
 echo "source /etc/bash_completion.d/abra" >> ~/.bashrc
@@ -94,7 +88,7 @@ echo "source /etc/bash_completion.d/abra" >> ~/.bashrc
 `, autocompletionFile))
 		case "zsh":
 			fmt.Println(fmt.Sprintf(`
-# Run the following commands to install autocompletion
+# Run the following commands to install auto-completion
 sudo mkdir /etc/zsh/completion.d/
 sudo cp %s /etc/zsh/completion.d/abra
 echo "PROG=abra\n_CLI_ZSH_AUTOCOMPLETE_HACK=1\nsource /etc/zsh/completion.d/abra" >> ~/.zshrc
@@ -112,13 +106,11 @@ var UpgradeCommand = cli.Command{
 	Aliases: []string{"u"},
 	Usage:   "Upgrade Abra itself",
 	Description: `
-This command allows you to upgrade Abra in-place with the latest stable or
-release candidate.
+Upgrade Abra in-place with the latest stable or release candidate.
 
-If you would like to install the latest release candidate, please pass the
-"-r/--rc" option. Please bear in mind that the latest release candidate may
-have some catastrophic bugs contained in it. In any case, thank you very much
-for the testing efforts!
+Pass "-r/--rc" to install the latest release candidate. Please bear in mind
+that it may contain catastrophic bugs. Thank you very much for the testing
+efforts!
 `,
 	Flags: []cli.Flag{internal.RCFlag},
 	Action: func(c *cli.Context) error {