Error Code, Won't Let Me Edit

I was playing around with the width for my header, trying to get it to work within the PHP file with the header image I am using. Now, no matter what I try to do I get this error:
Parse error: syntax error, unexpected ‘)’ in /home/content/62/9351362/html/wordpress/wp-content/themes/pilot-fish/functions.php on line 49
I went through and fixed the image parameters to the original, but it won’t let me save the files, just gives me that error message. How do I backtrack? Are the files stored somewhere on my computer, like when you download WP? Extremely frustrating, because I was getting close to finishing the site and need it finished for work. Thank you!
Theme is Pilot Fish if that makes a difference.