core/manager: fix grammar in comment

src/core/manager.c

@@ -531,9 +531,9 @@ static int manager_default_environment(Manager *m) {
         if (MANAGER_IS_SYSTEM(m)) {
                 /* The system manager always starts with a clean
                  * environment for its children. It does not import
-                 * the kernel or the parents exported variables.
+                 * the kernel's or the parents' exported variables.
                  *
-                 * The initial passed environ is untouched to keep
+                 * The initial passed environment is untouched to keep
                  * /proc/self/environ valid; it is used for tagging
                  * the init process inside containers. */
                 m->environment = strv_new("PATH=" DEFAULT_PATH,
@@ -541,11 +541,10 @@ static int manager_default_environment(Manager *m) {
 
                 /* Import locale variables LC_*= from configuration */
                 locale_setup(&m->environment);
-        } else {
+        } else
                 /* The user manager passes its own environment
                  * along to its children. */
                 m->environment = strv_copy(environ);
-        }
 
         if (!m->environment)
                 return -ENOMEM;