--- C:\Users\andy\Desktop\scratch\install.php 
+++ C:\Users\andy\Desktop\scratch\install.update.php 
@@ -182,7 +182,8 @@
 /**
  * Install the current version of the database schema, and any other setup tasks.
  *
- * The hook will be called the first time a module is installed, and the
+ * Implementations of this hook must be declared in the modules .install file.
+ * The hook will only be called the first time a module is installed, and the
  * module's schema version will be set to the module's greatest numbered update
  * hook. Because of this, anytime a hook_update_N() is added to the module, this
  * function needs to be updated to reflect the current version of the database
@@ -299,7 +300,8 @@
  * - Modifications to existing tables.
  * - Database tables the module created.
  *
- * The uninstall hook will fire when the module gets uninstalled.
+ * The uninstall hook must be implemented in the module's .install file. It
+ * will fire when the module gets uninstalled.
  */
 function hook_uninstall() {
   drupal_uninstall_schema('upload');