The steps to change the Title of any SAP transaction code are as follows:
First, goto tcode SE63
On the top left Menu of the screen - Click Translation - Short texts - Transactions
For example, assuming you want to change the title of the tcode FB01 from Post Document to Post Document for G/L. On the first screen, fill in the following information:
Transaction code - FB01
Source Language - English
Target Languate - English
To change the Title, click the Edit button
On the second line, type in the Title (For e.g. Post Document for G/L) you want for the transaction code
Click the Save button
Now, called up the transaction code /nFB01 again and you should be able to view the new Title.
Please note that it works for most of the Transaction code except for those new Enjoy transaction code in 4.6x.
