diff --git a/pica-etherpad/settings.json b/pica-etherpad/settings.json
index c68742b16992573b6d30cb28f77c21c99b209e34..61908ad7995b765f8f2aff953c59daf4dc60ed7e 100644
--- a/pica-etherpad/settings.json
+++ b/pica-etherpad/settings.json
@@ -30,36 +30,36 @@
     "lang":             "${PAD_OPTIONS_LANG:fr}"
   },
   "padShortcutEnabled": {
-    "altF9":     "${PAD_SHORTCUTS_ENABLED_ALT_F9:true}",      /* focus on the File Menu and/or editbar */
-    "altC":      "${PAD_SHORTCUTS_ENABLED_ALT_C:true}",       /* focus on the Chat window */
-    "cmdShift2": "${PAD_SHORTCUTS_ENABLED_CMD_SHIFT_2:true}", /* shows a gritter popup showing a line author */
+    "altF9":     "${PAD_SHORTCUTS_ENABLED_ALT_F9:true}",
+    "altC":      "${PAD_SHORTCUTS_ENABLED_ALT_C:true}",
+    "cmdShift2": "${PAD_SHORTCUTS_ENABLED_CMD_SHIFT_2:true}",
     "delete":    "${PAD_SHORTCUTS_ENABLED_DELETE:true}",
     "return":    "${PAD_SHORTCUTS_ENABLED_RETURN:true}",
-    "esc":       "${PAD_SHORTCUTS_ENABLED_ESC:true}",         /* in mozilla versions 14-19 avoid reconnecting pad */
-    "cmdS":      "${PAD_SHORTCUTS_ENABLED_CMD_S:true}",       /* save a revision */
-    "tab":       "${PAD_SHORTCUTS_ENABLED_TAB:true}",         /* indent */
-    "cmdZ":      "${PAD_SHORTCUTS_ENABLED_CMD_Z:true}",       /* undo/redo */
-    "cmdY":      "${PAD_SHORTCUTS_ENABLED_CMD_Y:true}",       /* redo */
-    "cmdI":      "${PAD_SHORTCUTS_ENABLED_CMD_I:true}",       /* italic */
-    "cmdB":      "${PAD_SHORTCUTS_ENABLED_CMD_B:true}",       /* bold */
-    "cmdU":      "${PAD_SHORTCUTS_ENABLED_CMD_U:true}",       /* underline */
-    "cmd5":      "${PAD_SHORTCUTS_ENABLED_CMD_5:true}",       /* strike through */
-    "cmdShiftL": "${PAD_SHORTCUTS_ENABLED_CMD_SHIFT_L:true}", /* unordered list */
-    "cmdShiftN": "${PAD_SHORTCUTS_ENABLED_CMD_SHIFT_N:true}", /* ordered list */
-    "cmdShift1": "${PAD_SHORTCUTS_ENABLED_CMD_SHIFT_1:true}", /* ordered list */
-    "cmdShiftC": "${PAD_SHORTCUTS_ENABLED_CMD_SHIFT_C:true}", /* clear authorship */
-    "cmdH":      "${PAD_SHORTCUTS_ENABLED_CMD_H:true}",       /* backspace */
-    "ctrlHome":  "${PAD_SHORTCUTS_ENABLED_CTRL_HOME:true}",   /* scroll to top of pad */
+    "esc":       "${PAD_SHORTCUTS_ENABLED_ESC:true}",
+    "cmdS":      "${PAD_SHORTCUTS_ENABLED_CMD_S:true}",
+    "tab":       "${PAD_SHORTCUTS_ENABLED_TAB:true}",
+    "cmdZ":      "${PAD_SHORTCUTS_ENABLED_CMD_Z:true}",
+    "cmdY":      "${PAD_SHORTCUTS_ENABLED_CMD_Y:true}",
+    "cmdI":      "${PAD_SHORTCUTS_ENABLED_CMD_I:true}",
+    "cmdB":      "${PAD_SHORTCUTS_ENABLED_CMD_B:true}",
+    "cmdU":      "${PAD_SHORTCUTS_ENABLED_CMD_U:true}",
+    "cmd5":      "${PAD_SHORTCUTS_ENABLED_CMD_5:true}",
+    "cmdShiftL": "${PAD_SHORTCUTS_ENABLED_CMD_SHIFT_L:true}",
+    "cmdShiftN": "${PAD_SHORTCUTS_ENABLED_CMD_SHIFT_N:true}",
+    "cmdShift1": "${PAD_SHORTCUTS_ENABLED_CMD_SHIFT_1:true}",
+    "cmdShiftC": "${PAD_SHORTCUTS_ENABLED_CMD_SHIFT_C:true}",
+    "cmdH":      "${PAD_SHORTCUTS_ENABLED_CMD_H:true}",
+    "ctrlHome":  "${PAD_SHORTCUTS_ENABLED_CTRL_HOME:true}",
     "pageUp":    "${PAD_SHORTCUTS_ENABLED_PAGE_UP:true}",
     "pageDown":  "${PAD_SHORTCUTS_ENABLED_PAGE_DOWN:true}"
   },
 
-  "suppressErrorsInPadText": "${SUPPRESS_ERRORS_IN_PAD_TEXT:false}",,
+  "suppressErrorsInPadText": "${SUPPRESS_ERRORS_IN_PAD_TEXT:false}",
   "requireSession": "${REQUIRE_SESSION:false}",
   "editOnly": "${EDIT_ONLY:false}",
   "sessionNoPassword": "${SESSION_NO_PASSWORD:false}",
   "minify": "${MINIFY:true}",
-  "maxAge": "${MAX_AGE:21600}", // 60 * 60 * 6 = 6 hours
+  "maxAge": "${MAX_AGE:21600}",
   "abiword": "${ABIWORD}",
   "soffice": "${SOFFICE}",
   "tidyHtml": "${TIDY_HTML}",
@@ -88,10 +88,7 @@
   "loadTest": "${LOAD_TEST:false}",
   "indentationOnNewLine": false,
   "importExportRateLimiting": {
-    // duration of the rate limit window (milliseconds)
     "windowMs": "${IMPORT_EXPORT_RATE_LIMIT_WINDOW:90000}",
-
-    // maximum number of requests per IP to allow during the rate limit window
     "max": "${IMPORT_EXPORT_MAX_REQ_PER_IP:10}"
   },
   "importMaxFileSize": "${IMPORT_MAX_FILE_SIZE:52428800}", // 50 * 1024 * 1024