diff --git a/src/init.cpp b/src/init.cpp
index 53f6fb832..a048b9def 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -376,11 +376,12 @@ std::string HelpMessage(HelpMessageMode mode)
         strUsage += HelpMessageOpt("-flushwallet", strprintf("Run a thread to flush wallet periodically (default: %u)", 1));
         strUsage += HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", 0));
     }
-    string debugCategories = "addrman, alert, bench, coindb, db, lock, rand, rpc, selectcoins, mempool, net, proxy, prune"; // Don't translate these and qt below
+    string debugCategories = "addrman, alert, bench, coindb, db, estimatefee, lock, mempool, net, partitioncheck, pow, proxy, prune, "
+                             "rand, reindex, rpc, selectcoins, zrpc, zrpcunsafe"; // Don't translate these and qt below
     if (mode == HMM_BITCOIN_QT)
         debugCategories += ", qt";
     strUsage += HelpMessageOpt("-debug=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " +
-        _("If <category> is not supplied or if <category> = 1, output all debugging information.") + _("<category> can be:") + " " + debugCategories + ".");
+        _("If <category> is not supplied or if <category> = 1, output all debugging information.") + " " + _("<category> can be:") + " " + debugCategories + ".");
 #ifdef ENABLE_WALLET
     strUsage += HelpMessageOpt("-gen", strprintf(_("Generate coins (default: %u)"), 0));
     strUsage += HelpMessageOpt("-genproclimit=<n>", strprintf(_("Set the number of threads for coin generation if enabled (-1 = all cores, default: %d)"), 1));