Update README.md

README.md

@@ -21,12 +21,14 @@ xpip install xontrib-jump-to-dir
 
 ## Usage
 
+Init:
 ```xsh
 # Check that you're using sqlite history in ~/.xonshrc
 $XONSH_HISTORY_BACKEND = 'sqlite'
-
 xontrib load jump_to_dir
-
+```
+Jump to directory by path:
+```xsh
 mkdir -p /tmp/hello /tmp/world
 cd /tmp/hello
 echo 1
@@ -36,9 +38,16 @@ cd /tmp/world
 echo 1
 cd /
 
-j           # Jump to most frequent directory i.e. `/tmp/hello/` because 3 `echo` commands were executed
-j wor       # Jump to directory with `*wor*` in path i.e. `/tmp/world/`
-j t he      # Jump to directory with `*t*he*` in path i.e. `/tmp/hello/`
+j           # Jump to most frequent directory i.e. `/tmp/hello/` because 3 `echo` commands were executed.
+j wor       # Jump to directory with `*wor*` in path i.e. `/tmp/world/`.
+j t he      # Jump to directory with `*t*he*` in path i.e. `/tmp/hello/`.
+```
+Jump to directory by command:
+```xsh
+cd /tmp
+echo 112233
+cd /
+jc 22       # Jump to the directory where `*22*` command executed i.e. `/tmp`.
 ```
 
 Custom shortcut:
@@ -54,6 +63,10 @@ The history database has the commands you run and the directory where you was. T
 
 If you want to add fallback functionality to jump to any directory by partial path in case of zero result in history database (e.g. `j o lo bi` will jump to `/opt/local/bin`) feel free to create PR.
 
+## Environment variables
+
+* `XONTRIB_JUMP_TO_DIR_WARNING` - show warnings from xontrib. Default `True`.
+
 ## Credits
 
 This package was created with [xontrib template](https://github.com/xonsh/xontrib-template).