Photoshop
Type
/
Editing text
Edit text
Select the Horizontal Type tool
or the Vertical Type tool
.
Select the type layer in the Layers palette, or click in the text flow to automatically select a type layer.
Position the insertion point in the text, and do one of the following:
Click to set the insertion point.
Select one or more characters you want to edit.
Enter text as desired.
Commit the changes to the type layer.
Formatting characters
Formatting paragraphs
Line and character spacing
Scaling and rotating type
Fonts
This page on the Web