[2850] Update comment about when the segment had been cleared

diff --git a/src/lib/datasrc/memory/zone_table_segment_mapped.cc b/src/lib/datasrc/memory/zone_table_segment_mapped.cc
index 5afe14fa74f8a4fcb83c6a2744b370b9ff98d8c2..efadab78124e9f0bb056f76f93bf683f675d21d8 100644 (file)
--- a/src/lib/datasrc/memory/zone_table_segment_mapped.cc
+++ b/src/lib/datasrc/memory/zone_table_segment_mapped.cc
@@ -381,8 +381,8 @@ bool
 ZoneTableSegmentMapped::isWritable() const {
     if (!isUsable()) {
         // If reset() was never performed for this segment, or if the
-        // most recent reset() had failed, then the segment is not
-        // writable.
+        // most recent reset() had failed, or if the segment had been
+        // cleared, then the segment is not writable.
         return (false);
     }