config: Update help text with information about size suffixes

diff --git a/ccache.c b/ccache.c
index 5e9d514e658032b6fcb87cbd8335e174a38d3d50..234dd6a23773ec5aad7c24022245ee060a240c59 100644 (file)
--- a/ccache.c
+++ b/ccache.c
@@ -59,8 +59,8 @@ static const char USAGE_TEXT[] =
 "    -F, --max-files=N     set maximum number of files in cache to N (use 0 for\n"
 "                          no limit)\n"
 "    -M, --max-size=SIZE   set maximum size of cache to SIZE (use 0 for no\n"
-"                          limit; available suffixes: G, M and K; default\n"
-"                          suffix: G)\n"
+"                          limit); available suffixes: k, M, G, T (decimal) and\n"
+"                          Ki, Mi, Gi, Ti (binary); default suffix: G\n"
 "    -o, --set-config=K=V  set configuration key K to value V\n"
 "    -p, --print-config    print current configuration options\n"
 "    -s, --show-stats      show statistics summary\n"