Added readme for format command.

changed a mistake in the README.

README.md

@@ -167,13 +167,13 @@ Format your integration/script/playbook yml file according to Demisto's standard
 **Arguments**:
 * *-t {integration, script, playbook}, --type {integration, script, playbook}*
                         The type of yml file to be formatted.
-* *-p PATH_TO_YML, --path PATH_TO_YML*
+* *-s PATH_TO_YML, --source-file PATH_TO_YML*
                         The path of the desired yml file to be formatted.
 * *-o DESIRED_OUTPUT_PATH, --output_file DESIRED_OUTPUT_PATH*
                         The path where the formatted file will be saved to. (Default will be to override origin file)
 
 **Examples**:
-` demisto-sdk format -t integration -p Integrations/Pwned-V2/Pwned-V2.yml`.
+` demisto-sdk format -t integration -s Integrations/Pwned-V2/Pwned-V2.yml`.
 This will go through the integration file, format it, and override the original file with the necessary changes.
 
 ### [Run-playbook](https://github.com/demisto/demisto-sdk/tree/master/docs/run_playbook_command.md)

docs/format_command.md

@@ -0,0 +1,39 @@
+## Format
+
+**Format Integration/Script/Playbook YML files according to Demisto's standard.**
+
+### Use Cases
+This command is used in order to keep your new or modified YML file with Demisto's standard. This is useful especially
+when developing a new integration/script/playbook, and you want to make sure you are keeping up with our standards.
+When done formatting, the **validate** command will run, to let you know of things the formatter could not fix.
+
+### Arguments
+* **-t {integration, script, playbook}, --type {integration, script, playbook}**
+
+    The type of yml file to be formatted.
+
+* **-s PATH_TO_YML, --source-file PATH_TO_YML**
+
+    The path of the desired yml file to be formatted.
+
+* **-o DESIRED_OUTPUT_PATH, --output_file DESIRED_OUTPUT_PATH**
+
+    The path where the formatted file will be saved to. (Default will be to override origin file)
+
+
+### Examples
+```
+demisto-sdk format -t integration -s Integrations/Pwned-V2/Pwned-V2.yml
+```
+This will go through the integration file, format it, and override the original file with the necessary changes.
+<br/><br/>
+```
+demisto-sdk format -t integration -s Integrations/Pwned-V2/Pwned-V2.yml -o Integrations/Pwned-V2/formatted-Pwned-V2.yml
+```
+This will go through the integration file, format it, and save it to a new file
+(Integrations/Pwned-V2/formatted-Pwned-V2.yml) with the necessary changes, while keeping the origin file as it was.
+<br/><br/>
+```
+demisto-sdk format -t script -s Scripts/FilterByList/FilterByList.yml
+```
+This will go through the script file, format it, and override the original file with the necessary changes.