diff --git a/src/options.c b/src/options.c
index 580e1887..b9794dcb 100644
--- a/src/options.c
+++ b/src/options.c
@@ -60,14 +60,14 @@ static mi_option_desc_t options[_mi_option_last] =
 
   // the following options are experimental and not all combinations make sense.
   { 1, UNINIT, MI_OPTION_LEGACY(segment_eager_commit,eager_commit) },      // commit per segment directly (4MiB)  (but see also `eager_commit_delay`)
-  { 2, UNINIT, MI_OPTION_LEGACY(arena_eager_commit,eager_region_commit) },
-  { 1, UNINIT, MI_OPTION_LEGACY(purge_decommits,reset_decommits) },        // purge decommits memory (instead of reset)  
+  { 2, UNINIT, MI_OPTION_LEGACY(arena_eager_commit,eager_region_commit) }, // eager commit arena's? 2 is used to enable this only on an OS that has overcommit (i.e. linux)
+  { 1, UNINIT, MI_OPTION_LEGACY(purge_decommits,reset_decommits) },        // purge decommits memory (instead of reset) (note: on linux this uses MADV_DONTNEED for decommit)
   { 0, UNINIT, MI_OPTION(large_os_pages) },      // use large OS pages, use only with eager commit to prevent fragmentation of VMA's
   { 0, UNINIT, MI_OPTION(reserve_huge_os_pages) },  // per 1GiB huge pages
   { -1, UNINIT, MI_OPTION(reserve_huge_os_pages_at) }, // reserve huge pages at node N
   { 0, UNINIT, MI_OPTION(reserve_os_memory)     },
   { 0, UNINIT, MI_OPTION(deprecated_segment_cache) },  // cache N segments per thread
-  { 1, UNINIT, MI_OPTION(page_reset) },          // reset page memory on free
+  { 0, UNINIT, MI_OPTION(page_reset) },          // reset page memory on free
   { 0, UNINIT, MI_OPTION(abandoned_page_reset) },// reset free page memory when a thread terminates
   { 0, UNINIT, MI_OPTION(segment_reset) },       // reset segment memory on free (needs eager commit)
 #if defined(__NetBSD__)