Index: src/options.cpp
--- src/options.cpp.orig
+++ src/options.cpp
@@ -137,7 +137,7 @@ Common options:\n\
                     required if you want to update with --append later.\n\
         --drop      Only with --slim: drop temporary tables after import\n\
                     (no updates are possible).\n\
-    -C|--cache=SIZE  Use up to SIZE MB for caching nodes (default: 800).\n\
+    -C|--cache=SIZE  Use up to SIZE MB for caching nodes (default: 100).\n\
     -F|--flat-nodes=FILE  Specifies the file to use to persistently store node\n\
                     information in slim mode instead of in PostgreSQL.\n\
                     This is a single large file (> 50GB). Only recommended\n\