diff --git a/include/ircd/date.h b/include/ircd/date.h
index 5c8a08ec5..2ef93412c 100644
--- a/include/ircd/date.h
+++ b/include/ircd/date.h
@@ -25,6 +25,7 @@
 
 namespace ircd
 {
+	using std::chrono::hours;
 	using std::chrono::seconds;
 	using std::chrono::milliseconds;
 	using std::chrono::microseconds;
diff --git a/include/ircd/stringops.h b/include/ircd/stringops.h
index 9836e0467..487d7a741 100644
--- a/include/ircd/stringops.h
+++ b/include/ircd/stringops.h
@@ -51,11 +51,11 @@ namespace ircd
 	string_view strip(const string_view &str, const char &c = ' ');
 	string_view strip(const string_view &str, const string_view &c);
 
-	// split view on first match of delim; delim not included; no delim .second empty
+	// split view on first match of delim; delim not included; if no delim then .second empty
 	std::pair<string_view, string_view> split(const string_view &str, const char &delim = ' ');
 	std::pair<string_view, string_view> split(const string_view &str, const string_view &delim);
 
-	// split view on last match of delim; delim not included; no delim .second empty
+	// split view on last match of delim; delim not included; if no delim then .second empty
 	std::pair<string_view, string_view> rsplit(const string_view &str, const char &delim = ' ');
 	std::pair<string_view, string_view> rsplit(const string_view &str, const string_view &delim);