diff --git a/railties/guides/source/configuring.textile b/railties/guides/source/configuring.textile
index 24bf9d863bd8cf5072f1dbb631d4c31d5bedee51..8e65dbccbb9c7ce3e46e5aecadb8dc12e090e1d3 100644
--- a/railties/guides/source/configuring.textile
+++ b/railties/guides/source/configuring.textile
@@ -268,7 +268,7 @@ h4. Configuring Active Record
 
 * +config.active_record.identity_map+ controls whether the identity map is enabled, and is false by default.
 
-* +config.active_record.auto_explain_threshold_in_seconds+ configures the threshold for automatic EXPLAINs (+nil+ disables this feature). Queries taking more than those many seconds get their query plan logged. Default is 0.5 in development mode.
+* +config.active_record.auto_explain_threshold_in_seconds+ configures the threshold for automatic EXPLAINs (+nil+ disables this feature). Queries exceeding the threshold get their query plan logged. Default is 0.5 in development mode.
 
 The MySQL adapter adds one additional configuration option: