(Hopefully) improve grammar

[CI skip]

lib/mobilizon/media/media.ex

@@ -24,7 +24,7 @@ defmodule Mobilizon.Media do
   def get_picture!(id), do: Repo.get!(Picture, id)
 
   @doc """
-  Get a picture by it's URL.
+  Get a picture by its URL.
   """
   @spec get_picture_by_url(String.t()) :: Picture.t() | nil
   def get_picture_by_url(url) do

lib/mobilizon_web/resolvers/event.ex

@@ -172,7 +172,7 @@ defmodule MobilizonWeb.Resolvers.Event do
       {:ok, participant}
     else
       {:maximum_attendee_capacity, _} ->
-        {:error, "The event has already reached it's maximum capacity"}
+        {:error, "The event has already reached its maximum capacity"}
 
       {:has_event, _} ->
         {:error, "Event with this ID #{inspect(event_id)} doesn't exist"}
@@ -329,7 +329,7 @@ defmodule MobilizonWeb.Resolvers.Event do
 
   # If we have an attached picture, just transmit it. It will be handled by
   # Mobilizon.Service.ActivityPub.Utils.make_picture_data/1
-  # However, we need to pass it's actor ID
+  # However, we need to pass its actor ID
   @spec save_attached_picture(map()) :: {:ok, map()}
   defp save_attached_picture(
          %{picture: %{picture: %{file: %Plug.Upload{} = _picture} = all_pic}} = args

lib/mobilizon_web/resolvers/user.ex

@@ -14,7 +14,7 @@ defmodule MobilizonWeb.Resolvers.User do
   require Logger
 
   @doc """
-  Find an user by it's ID
+  Find an user by its ID
   """
   def find_user(_parent, %{id: id}, _resolution) do
     Users.get_user_with_actors(id)
@@ -128,7 +128,7 @@ defmodule MobilizonWeb.Resolvers.User do
   end
 
   @doc """
-  Validate an user, get it's actor and a token
+  Validate an user, get its actor and a token
   """
   def validate_user(_parent, %{token: token}, _resolution) do
     with {:check_confirmation_token, {:ok, %User{} = user}} <-

lib/mobilizon_web/schema/actors/group.ex

@@ -89,7 +89,7 @@ defmodule MobilizonWeb.Schema.Actors.GroupType do
       resolve(&Group.list_groups/3)
     end
 
-    @desc "Get a group by it's preferred username"
+    @desc "Get a group by its preferred username"
     field :group, :group do
       arg(:preferred_username, non_null(:string))
       resolve(&Group.find_group/3)

lib/mobilizon_web/schema/actors/person.ex

@@ -70,13 +70,13 @@ defmodule MobilizonWeb.Schema.Actors.PersonType do
       resolve(&Person.get_current_person/3)
     end
 
-    @desc "Get a person by it's (federated) username"
+    @desc "Get a person by its (federated) username"
     field :fetch_person, :person do
       arg(:preferred_username, non_null(:string))
       resolve(&Person.fetch_person/3)
     end
 
-    @desc "Get a person by it's ID"
+    @desc "Get a person by its ID"
     field :person, :person do
       arg(:id, non_null(:id))
       resolve(&Person.get_person/3)

lib/service/activity_pub/activity_pub.ex

@@ -480,7 +480,7 @@ defmodule Mobilizon.Service.ActivityPub do
   end
 
   @doc """
-  Create an actor locally by it's URL (AP ID)
+  Create an actor locally by its URL (AP ID)
   """
   @spec make_actor_from_url(String.t(), boolean()) :: {:ok, %Actor{}} | {:error, any()}
   def make_actor_from_url(url, preload \\ false) do
@@ -520,7 +520,7 @@ defmodule Mobilizon.Service.ActivityPub do
   def find_or_make_group_from_nickname(nick), do: find_or_make_actor_from_nickname(nick, :Group)
 
   @doc """
-  Create an actor inside our database from username, using WebFinger to find out it's AP ID and then fetch it
+  Create an actor inside our database from username, using WebFinger to find out its AP ID and then fetch it
   """
   @spec make_actor_from_nickname(String.t()) :: {:ok, %Actor{}} | {:error, any()}
   def make_actor_from_nickname(nickname) do
@@ -611,7 +611,7 @@ defmodule Mobilizon.Service.ActivityPub do
     )
   end
 
-  # Fetching a remote actor's information through it's AP ID
+  # Fetching a remote actor's information through its AP ID
   @spec fetch_and_prepare_actor_from_url(String.t()) :: {:ok, struct()} | {:error, atom()} | any()
   defp fetch_and_prepare_actor_from_url(url) do
     Logger.debug("Fetching and preparing actor from url")

lib/service/export/feed.ex

@@ -54,7 +54,7 @@ defmodule Mobilizon.Service.Export.Feed do
     end
   end
 
-  # Build an atom feed from actor and it's public events
+  # Build an atom feed from actor and its public events
   @spec build_actor_feed(Actor.t(), list(), boolean()) :: String.t()
   defp build_actor_feed(%Actor{} = actor, events, public \\ true) do
     display_name = Actor.display_name(actor)
@@ -159,7 +159,7 @@ defmodule Mobilizon.Service.Export.Feed do
     |> Enum.map(&Events.get_event_with_preload!/1)
   end
 
-  # Build an atom feed from actor and it's public events
+  # Build an atom feed from actor and its public events
   @spec build_user_feed(list(), User.t(), String.t()) :: String.t()
   defp build_user_feed(events, %User{email: email}, token) do
     self_url = Endpoint |> Routes.feed_url(:going, token, "atom") |> URI.decode()