1 files changed, 2 insertions, 0 deletions
diff --git a/util/mmap.h b/util/mmap.h
index cded98cdbb0..23c9f0c456d 100644
--- a/util/mmap.h
+++ b/util/mmap.h
@@ -154,6 +154,8 @@ namespace mongo {
 
         // Throws exception if file doesn't exist. (dm may2010: not sure if this is always true?)
         void* map(const char *filename);
+
+        /** @param options see MongoFile::Options */
         void* mapWithOptions(const char *filename, int options);
 
         /* Creates with length if DNE, otherwise uses existing file length,