diff --git a/superset/config.py b/superset/config.py
index 6ad158460..d522e10ac 100644
--- a/superset/config.py
+++ b/superset/config.py
@@ -265,9 +265,9 @@ FLASK_USE_RELOAD = True
 PROFILING = False
 
 # Superset allows server-side python stacktraces to be surfaced to the
-# user when this feature is on. This may has security implications
+# user when this feature is on. This may have security implications
 # and it's more secure to turn it off in production settings.
-SHOW_STACKTRACE = True
+SHOW_STACKTRACE = False
 
 # Use all X-Forwarded headers when ENABLE_PROXY_FIX is True.
 # When proxying to a different port, set "x_port" to 0 to avoid downstream issues.