Updated Filters (markdown)

Filters.md

@@ -19,19 +19,44 @@ For example, if you want to supply an ISO compliant date: `wtsexporter -a --date
 ### Between
 This will export messages received or sent between 2023-01-01 00:00 to 2024-01-01 00:00, inclusively.
 ```
-wtsexporter.exe -a --date "2023-01-01 00:00 - 2024-01-01 00:00"
+wtsexporter -a --date "2023-01-01 00:00 - 2024-01-01 00:00"
 ```
 
 ### Before
 This will only export messages received or sent before 2024-01-01 00:00.
 ```
-wtsexporter.exe -a --date "< 2024-01-01 00:00"
+wtsexporter -a --date "< 2024-01-01 00:00"
 ```
 
 ### After
 This will only export messages received or sent after 2023-01-01 00:00.
 ```
-wtsexporter.exe -a --date "> 2023-01-01 00:00"
+wtsexporter -a --date "> 2023-01-01 00:00"
 ```
 
 # Chat Filter
+The exporter currently supports two chat filters, namely, include and exclude.
+
+### Include
+This will only export messages sent by the specified correspondent:
+```
+wtsexporter -a --include 85212345678
+```
+
+Multiple correspondents can also be included at once:
+```
+wtsexporter -a --include 85212345678 85298765432
+```
+
+### Exclude
+This will export all messages except those sent by the specified correspondent:
+```
+wtsexporter -a --exclude 85212345678
+```
+
+Multiple correspondents can also be included at once:
+```
+wtsexporter -a --exclude 85212345678 85298765432
+```
+
+Note that the for both include and exclude chat filters, the country calling codes are optional.