diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -1401,7 +1401,7 @@
             "        \"bit\": xx,              (numeric) the bit (0-28) in the "
             "block version field used to signal this softfork (only for "
             "\"started\" status)\n"
-            "        \"startTime\": xx,        (numeric) the minimum median "
+            "        \"start_time\": xx,       (numeric) the minimum median "
             "time past of a block at which the bit gains its meaning\n"
             "        \"timeout\": xx,          (numeric) the median time past "
             "of a block at which the deployment is considered failed if not "