10. An apparatus, comprising: a display; a touch input device; a processor operatively coupled to the touch input device and the display; and a memory storing instructions that are executable by the processor to: receive, at the touch input device, user input of a string of characters; prior to receiving user input to the string of characters, determine one or more potential errors in the string of characters; identify a character location of the one or more potential errors within the string of characters; and automatically position, on the display, a visual indication associated with the character location of the one or more potential errors within the string of characters.
12. The apparatus of claim 10 , wherein to identify a character location of the one or more potential errors comprises: identifying one or more words; analyzing the one or more words using a linguistic analysis tool to determine the one or more potential errors; and identifying a character location in the string of characters associated with the location of the highest ranked error of the one or more potential errors.