# Picture not formatting to text width

I'm trying to format a picture so that it fills the text width however it always errors and fills the whole page.

\includegraphics[width=\textwidth]{circle}


is the line I'm currently using also this is probably relevent

\documentclass[twocolumn,reprint,nofootinbib]{revtex4-1}

\usepackage{graphicx}


Also this is the error I'm getting:

Overfull \hbox (264.0pt too wide) in paragraph

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Welcome to TeX.sx! A tip: If you indent lines by 4 spaces, they'll be marked as a code sample. You can also highlight the code and click the "code" button (with "{}" on it). –  texenthusiast Mar 18 '13 at 0:29
@JonathanWebb Overfull \hbox (264.0pt too wide) is not an error. It is a warning. Also, please always provide a minimal working example (MWE) –  hpesoj626 Mar 18 '13 at 0:35
If you want that the image fills the column width, use \columnwidth and not \textwidth that encompasses the two columns. See tex.stackexchange.com/a/16956/4427 for more information –  egreg Mar 18 '13 at 0:35
You want to fill the column, not the page; so the correct parameter to use is \columnwidth
\includegraphics[width=\columnwidth]{circle}