use indentation consistently
diff --git a/expat/doc/reference.html b/expat/doc/reference.html
index 38e9b8f..9ed9f90 100644
--- a/expat/doc/reference.html
+++ b/expat/doc/reference.html
@@ -288,9 +288,9 @@
 can install Expat with this sequence of commands:</p>
 
 <pre class="eg">
-   ./configure
-   make
-   make install
+./configure
+make
+make install
 </pre>
 
 <p>There are some options that you can provide to this script, but the