Fix typos (thanks to Jerome Sautret)

src/mod_admin_extra.erl

@@ -2389,7 +2389,7 @@ mod_doc() ->
     #{desc =>
           [?T("This module provides additional administrative commands."), "",
            ?T("Details for some commands:"), "",
-           ?T("- 'ban-acount':"),
+           ?T("- 'ban_account':"),
            ?T("This command kicks all the connected sessions of the account "
 	      "from the server. It also changes their password to a randomly "
 	      "generated one, so they can't login anymore unless a server "
@@ -2402,8 +2402,8 @@ mod_doc() ->
 	      "`C:/Program Files/ejabberd` or similar. If you use other "
 	      "Operating System, place the file on the same directory where "
 	      "the .beam files are installed. See below an example roster file."),
-           ?T("- 'srg-create':"),
-           ?T("If you want to put a group Name with blankspaces, use the "
+           ?T("- 'srg_create':"),
+           ?T("If you want to put a group Name with blank spaces, use the "
 	      "characters \"\' and \'\" to define when the Name starts and "
 	      "ends. See an example below.")],
       example =>
@@ -2427,6 +2427,6 @@ mod_doc() ->
 	      "boby@example.org will be kicked, and its password will be set "
 	      "to something like "
 	      "'BANNED_ACCOUNT--20080425T21:45:07--2176635--Spammed_rooms'"),
-	    ["ejabberdctl vhost example.org ban-account boby \"Spammed rooms\""]},
-	   {?T("Call to srg-create using double-quotes and single-quotes:"),
-	    ["ejabberdctl srg-create g1 example.org \"\'Group number 1\'\" this_is_g1 g1"]}]}.
+	    ["ejabberdctl vhost example.org ban_account boby \"Spammed rooms\""]},
+	   {?T("Call to srg_create using double-quotes and single-quotes:"),
+	    ["ejabberdctl srg_create g1 example.org \"\'Group number 1\'\" this_is_g1 g1"]}]}.

src/mod_mam.erl

@@ -1678,7 +1678,7 @@ mod_doc() ->
             #{value => "true | false",
               desc =>
                   ?T("When this option is disabled, for each individual "
-		     "subscriber a separa mucsub message is stored. With this "
+		     "subscriber a separate mucsub message is stored. With this "
 		     "option enabled, when a user fetches archive virtual "
 		     "mucsub, messages are generated from muc archives. "
 		     "The default value is 'false'.")}}]}.

src/mod_muc.erl

@@ -1582,7 +1582,7 @@ mod_doc() ->
               desc =>
                   ?T("This option defines after how many users in the room, "
                      "it is considered overcrowded. When a MUC room is considered "
-                     "overcrowed, presence broadcasts are limited to reduce load, "
+                     "overcrowded, presence broadcasts are limited to reduce load, "
                      "traffic and excessive presence \"storm\" received by participants. "
                      "The default value is '1000'.")}},
            {min_message_interval,

src/mod_offline.erl

@@ -1225,7 +1225,7 @@ mod_doc() ->
            {bounce_groupchat,
             #{value => "true | false",
               desc =>
-                  ?T("This option is use the disable an optimisation that "
+                  ?T("This option is use the disable an optimization that "
                      "avoids bouncing error messages when groupchat messages "
                      "could not be stored as offline. It will reduce chat "
                      "room load, without any drawback in standard use cases. "
@@ -1235,7 +1235,7 @@ mod_doc() ->
                      "but the bounce is much more likely to happen in the context "
                      "of MucSub, so it is even more important to have it on "
                      "large MucSub services. The default value is 'false', meaning "
-                     "the optimisation is enabled.")}},
+                     "the optimization is enabled.")}},
            {db_type,
             #{value => "mnesia | sql",
               desc =>

src/mod_push.erl

@@ -176,7 +176,7 @@ mod_doc() ->
              "\"app servers\" operated by third-party vendors of "
              "mobile apps. Those app servers will usually trigger "
              "notification delivery to the user's mobile device using "
-             "platform-dependant backend services such as FCM or APNS."),
+             "platform-dependent backend services such as FCM or APNS."),
       opts =>
           [{notify_on,
             #{value => "messages | all",

src/mod_stream_mgmt.erl

@@ -950,7 +950,7 @@ mod_doc() ->
              "https://xmpp.org/extensions/xep-0198.html"
              "[XEP-0198: Stream Management]. This protocol allows "
              "active management of an XML stream between two XMPP "
-             "entities, including features for stanza acknowledgements "
+             "entities, including features for stanza acknowledgments "
              "and stream resumption."),
       opts =>
           [{max_ack_queue,
@@ -992,7 +992,7 @@ mod_doc() ->
            {ack_timeout,
             #{value => "timeout()",
               desc =>
-                  ?T("A time to wait for stanza acknowledgements. "
+                  ?T("A time to wait for stanza acknowledgments. "
                      "Setting it to 'infinity' effectively disables the timeout. "
                      "The default value is '1' minute.")}},
            {resend_on_timeout,