diff --git a/includes/database.mysql.inc b/includes/database.mysql.inc
index 01a7d17..b2962aa 100644
--- a/includes/database.mysql.inc
+++ b/includes/database.mysql.inc
@@ -254,8 +254,7 @@ function db_query_range($query) {
  * Runs a SELECT query and stores its results in a temporary table.
  *
  * Use this as a substitute for db_query() when the results need to stored
- * in a temporary table. Temporary tables exist for the duration of the page
- * request.
+ * in a temporary table.
  * User-supplied arguments to the query should be passed in as separate parameters
  * so that they can be properly escaped to avoid SQL injection attacks.
  *
diff --git a/includes/database.mysqli.inc b/includes/database.mysqli.inc
index 613ff9e..a23aa37 100644
--- a/includes/database.mysqli.inc
+++ b/includes/database.mysqli.inc
@@ -254,8 +254,7 @@ function db_query_range($query) {
  * Runs a SELECT query and stores its results in a temporary table.
  *
  * Use this as a substitute for db_query() when the results need to stored
- * in a temporary table. Temporary tables exist for the duration of the page
- * request.
+ * in a temporary table.
  * User-supplied arguments to the query should be passed in as separate parameters
  * so that they can be properly escaped to avoid SQL injection attacks.
  *
diff --git a/includes/database.pgsql.inc b/includes/database.pgsql.inc
index 5fb0ccc..25bf851 100644
--- a/includes/database.pgsql.inc
+++ b/includes/database.pgsql.inc
@@ -288,8 +288,7 @@ function db_query_range($query) {
  * Runs a SELECT query and stores its results in a temporary table.
  *
  * Use this as a substitute for db_query() when the results need to stored
- * in a temporary table. Temporary tables exist for the duration of the page
- * request.
+ * in a temporary table.
  * User-supplied arguments to the query should be passed in as separate parameters
  * so that they can be properly escaped to avoid SQL injection attacks.
  *