diff --git a/include/libtorrent/alert.hpp b/include/libtorrent/alert.hpp
index 5991e5cff..a97660ae6 100644
--- a/include/libtorrent/alert.hpp
+++ b/include/libtorrent/alert.hpp
@@ -144,7 +144,7 @@ namespace libtorrent
 
 #ifndef TORRENT_NO_DEPRECATE
 			// Alerts on RSS related events, like feeds being updated, feed error
-			// conditions and successful RSS feed updates. Enabling this categoty
+			// conditions and successful RSS feed updates. Enabling this category
 			// will make you receive rss_alert alerts.
 			rss_notification              = 0x1000,
 #endif
diff --git a/include/libtorrent/alert_types.hpp b/include/libtorrent/alert_types.hpp
index 24f8e0fa4..5b9e4bfd4 100644
--- a/include/libtorrent/alert_types.hpp
+++ b/include/libtorrent/alert_types.hpp
@@ -1565,7 +1565,7 @@ namespace libtorrent
 	// This alert is posted approximately once every second, and it contains
 	// byte counters of most statistics that's tracked for torrents. Each active
 	// torrent posts these alerts regularly.
-	// This alert has been superceded by calling ``post_torrent_updates()``
+	// This alert has been superseded by calling ``post_torrent_updates()``
 	// regularly on the session object. This alert will be removed
 	struct TORRENT_EXPORT stats_alert final : torrent_alert
 	{
diff --git a/src/alert.cpp b/src/alert.cpp
index 38001f1a1..c96ce3c9f 100644
--- a/src/alert.cpp
+++ b/src/alert.cpp
@@ -1725,12 +1725,12 @@ namespace libtorrent
 
 	namespace
 	{
-		std::array<std::int64_t, counters::num_counters> counters_to_array(counters const& cnt)
+		aux::array<std::int64_t, counters::num_counters> counters_to_array(counters const& cnt)
 		{
-			std::array<std::int64_t, counters::num_counters> arr;
+			aux::array<std::int64_t, counters::num_counters> arr;
 
 			for (int i = 0; i < counters::num_counters; ++i)
-				arr[std::size_t(i)] = cnt[i];
+				arr[i] = cnt[i];
 
 			return arr;
 		}
diff --git a/src/session_impl.cpp b/src/session_impl.cpp
index bfd501de6..f7e27488f 100644
--- a/src/session_impl.cpp
+++ b/src/session_impl.cpp
@@ -589,7 +589,7 @@ namespace aux {
 
 #ifndef TORRENT_DISABLE_LOGGING
 		// this alert is a bit special. The stats headers aren't very useful
-		// unless session_stats is enabled, sp it's posted in the session_Stats
+		// unless session_stats is enabled, so it's posted in the session_stats
 		// category as well
 		if (m_alerts.should_post<log_alert>()
 			|| m_alerts.should_post<session_stats_alert>())