manual.texi:

  Clarification of InnoDB startup options

Docs/manual.texi

@@ -36797,6 +36797,10 @@ the configuration file @file{my.cnf}. @xref{Option files}.
 The only required parameter to use InnoDB is @code{innodb_data_file_path},
 but you should set others if you want to get a better performance.
 
+The default value for @code{innodb_data_home_dir} is the @code<datadir}
+of MySQL. If you do not specify @code{innodb_data_home_dir}, then
+you cannot use absolute paths in @code{innodb_data_file_path}.
+
 Suppose you have a Windows NT machine with 128 MB RAM and a single 10 GB
 hard disk. Below is an example of possible configuration parameters in
 @file{my.cnf} for InnoDB:
@@ -36832,9 +36836,11 @@ set-variable = innodb_file_io_threads=4
 set-variable = innodb_lock_wait_timeout=50
 @end example
 
-Note that data files must be < 4G, and < 2G on
+Note that data files must be < 2G in
 some file systems! The total size of data files has
-to be >= 10 MB.
+to be >= 10 MB. The combined size of log files MUST be < 4G
+in 32-bit computers.
+
 InnoDB does not create directories:
 you have to create them yourself.
 Check that the MySQL server
@@ -36902,10 +36908,6 @@ improve the performance of the database if all data is not placed
 on the same physical disk. Putting log files on a different disk from
 data is very often beneficial for performance.
 
-The combined size of the log files MUST be < 4G in a 32-bit computer,
-and to make recovery reasonably fast you should keep the combined size
-smaller than the buffer pool size.
-
 The meanings of the configuration parameters are the following:
 
 @multitable @columnfractions .30 .70