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-rw-r--r--src/bin/initdb/initdb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c
index 1f7f2aaa54a..65eba7d42fd 100644
--- a/src/bin/initdb/initdb.c
+++ b/src/bin/initdb/initdb.c
@@ -2323,7 +2323,7 @@ usage(const char *progname)
printf(_(" -U, --username=NAME database superuser name\n"));
printf(_(" -W, --pwprompt prompt for a password for the new superuser\n"));
printf(_(" -X, --waldir=WALDIR location for the write-ahead log directory\n"));
- printf(_(" --wal-segsize=SIZE size of wal segment size\n"));
+ printf(_(" --wal-segsize=SIZE size of wal segment size in megabytes\n"));
printf(_("\nLess commonly used options:\n"));
printf(_(" -d, --debug generate lots of debugging output\n"));
printf(_(" -k, --data-checksums use data page checksums\n"));