[simple-scan] Update README.md

[Bartosz <bkosiorek src gnome org>]

commit 74a0b07147e741eb59a63d80e82b059f90b59a76
Author: Gregor Simm <gncsimm gmail com>
Date:   Sun Jun 6 21:47:29 2021 +0000

    Update README.md

 data/logs/README.md | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/data/logs/README.md b/data/logs/README.md
index 4e5e3700..8b427d6a 100644
--- a/data/logs/README.md
+++ b/data/logs/README.md
@@ -1,4 +1,3 @@
-
 # Introduction
 
 The purpose of logs, is to gather information about options of different scanners.
@@ -7,8 +6,8 @@ The purpose of logs, is to gather information about options of different scanner
 
 If you would like to check minimum and maximum values of the `brightness`, you could type:
 ```
-  $ cd data/descriptors
-  $ git grep name=\'brightness\'
+$ cd data/descriptors
+$ git grep name=\'brightness\'
 ```
 The output of this command will be for example:
 ```
@@ -24,8 +23,9 @@ for `Epson_NX300` it is `0,0`, as the descriptor is inactive and for `HP_4630` t
 # How to add new logs
 
 1. Run simple scan in debug mode:
-
-  $ simple-scan --debug
+   ```
+   $ simple-scan --debug
+   ```
 
 1. Press scan button