diff --git a/src/qtgui/confgui/confguiindex.cpp b/src/qtgui/confgui/confguiindex.cpp
index 5873c5a5..eac426bd 100644
--- a/src/qtgui/confgui/confguiindex.cpp
+++ b/src/qtgui/confgui/confguiindex.cpp
@@ -275,8 +275,8 @@ bool ConfIndexW::setupTopPanel(int idx)
                      "Default 10MB "), 0, 1000);
 
     m_w->addParam(idx, ConfTabsW::CFPT_INT, "maxfsoccuppc",
-                  tr("Disk full threshold to stop indexing<br>"
-                     "(e.g. 90%, 0 means no limit)"),
+                  tr("Disk full threshold percentage at which we stop indexing<br>"
+                     "E.g. 90% to stop at 90% full, 0 or 100 means no limit)"),
                   tr("This is the percentage of disk usage "
                      "- total disk usage, not index size - at which "
                      "indexing will fail and stop.<br>"