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-rw-r--r--gnu/services/web.scm6
1 files changed, 5 insertions, 1 deletions
diff --git a/gnu/services/web.scm b/gnu/services/web.scm
index 7fde8824b3..2023119037 100644
--- a/gnu/services/web.scm
+++ b/gnu/services/web.scm
@@ -819,7 +819,11 @@ of index files."
               (list
                (shepherd-action
                  (name 'reload)
-                 (documentation "Reload NGINX configuration file and restart worker processes.")
+                 (documentation "Reload nginx configuration file and restart worker processes.
+This has the effect of killing old worker processes and starting new ones, using
+the same configuration file.  It is useful for situations where the same nginx
+configuration file can point to different things after a reload, such as
+renewed TLS certificates, or @code{include}d files.")
                  (procedure (nginx-action "-s" "reload"))))))))))
 
 (define nginx-service-type