Add flags to remove for more fine-grained removals

doc/comitium.1.scd

@@ -38,8 +38,9 @@ variety of feed formats:
 	*refresh* afterwards, *add* will automatically fetch the entries and
 	regenerate the .gmi and .json files.
 
-*remove* <_LINK_>
-	Remove a subscription at _LINK_.
+*remove* [_FLAGS_] <_LINK_>
+	Remove a subscription at _LINK_. Will remove from both subscribed feeds and
+	subscribed pages by default.
 
 *help*
 	Print basic usage information, including a list of commands and flags with
@@ -73,6 +74,14 @@ command-specific flags that are not universally recognized.
 	Watch a page for changes instead of adding as a feed. Useful for gophermaps,
 	or gemini/http resources with no parseable feed.
 
+## REMOVE FLAGS
+
+*-f*, *--feeds*
+	Remove the URL from subscribed feeds.
+
+*-p*, *--pages*
+	Remove the URL from subscribed pages.
+
 # ENVIRONMENT VARIABLES
 
 *COMITIUM_DATA*