update docs

Author: alexcoder04

.github/dependabot.yml

@@ -35,13 +35,12 @@ go install .  # builds and install a binary to your $GOPATH
 
 ## Command-line options
 
-| option     | description                                 |
-|------------|---------------------------------------------|
-| `-help`    | show list of options                        |
-| `-h`       | human-readable numbers (implies `-numbers`) |
-| `-key`     | display color key                           |
-| `-numbers` | print numbers in addition to the chart      |
-| `-version` | display version and exit                    |
+| option     | description                                       |
+|------------|---------------------------------------------------|
+| `-help`    | show list of options                              |
+| `-h`       | human-readable numbers (implies `-table`)         |
+| `-table`   | print table with numbers in addition to the chart |
+| `-version` | print version and exit                            |
 
 ## Contributing
 

README.md

@@ -12,19 +12,15 @@ frei [OPTIONS...]
 
 .SS "-h"
 .PP
-Display human-readable numbers (implies `-numbers`)
+Display human-readable numbers (implies `-table`)
 
 .SS "-help"
 .PP
 Print help message and exit
 
-.SS "-key"
+.SS "-table"
 .PP
-Display color key
-
-.SS "-numbers"
-.PP
-Print numbers in addition to the chart
+Print table with numbers in addition to the chart
 
 .SS "-version"
 .PP