1 files changed, 2 insertions, 1 deletions

diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index 140c7bb6f..2215bb8df 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -323,7 +323,8 @@ void smart_ulltoa5(unsigned long long ul, char buf[5])
                 }
                 buf[2] = "0123456789"[v];
                 // see http://en.wikipedia.org/wiki/Tera
-                buf[3] = " kMGTPEZY"[idx];
+                // (small letters stand out better versus numbers)
+                buf[3] = " kmgtpezy"[idx];
         }
         buf[4] = '\0';
 }