diff --git a/docs/Projects.html b/docs/Projects.html
index 76a96f05703..afa33eee56a 100644
--- a/docs/Projects.html
+++ b/docs/Projects.html
@@ -100,7 +100,7 @@ then you need to edit <tt>autoconf/configure.ac</tt> as follows:
   <ul>
     <li><b>AC_INIT</b>. Place the name of your project, its version number and
     a contact email address for your project as the arguments to this macro</li>
-    <li><b>AC_CONFIG_AUC_DIR</b>. If your project isn't in the
+    <li><b>AC_CONFIG_AUX_DIR</b>. If your project isn't in the
     <tt>llvm/projects</tt> directory then you might need to adjust this so that
     it specifies a relative path to the <tt>llvm/autoconf</tt> directory.</li>
     <li><b>LLVM_CONFIG_PROJECT</b>. Just leave this alone.</li>