diff --git a/mozilla/xpcom/doc/xpcom-standalone.html b/mozilla/xpcom/doc/xpcom-standalone.html
index 91f53e0b55e..91bb697f8a6 100644
--- a/mozilla/xpcom/doc/xpcom-standalone.html
+++ b/mozilla/xpcom/doc/xpcom-standalone.html
@@ -50,7 +50,7 @@ Here are the instructions for building the Standalone XPCOM on unix:
 
 <ol><b>Step 2 : Build XPCOM Standalone (unix)</b>
 <li>
-<tt>configure --enable-module=xpcom</tt></li>
+<tt>configure --enable-modules=xpcom</tt></li>
 
 <li>
 <tt>gmake</tt></li>