diff --git a/usersguide/input.html b/usersguide/input.html
index 52cfb05e69..c1ae1c82da 100644
--- a/usersguide/input.html
+++ b/usersguide/input.html
@@ -1,5 +1,4 @@
 
-
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
@@ -370,7 +369,7 @@ sites whose energy is sampled from a Maxwell fission spectrum</p>
 <p><em>Default</em>: watt</p>
 </td>
 </tr>
-<tr class="field"><th class="field-name">parameters:</th><td class="field-body"><p class="first">For a &#8220;monoenergetic&#8221; energy distribution, <tt class="docutils literal"><span class="pre">parameters</span></tt> should not be
+<tr class="field"><th class="field-name">parameters:</th><td class="field-body"><p class="first">For a &#8220;monoenergetic&#8221; energy distribution, <tt class="docutils literal"><span class="pre">parameters</span></tt> shoulbe
 given as the energy in MeV of the source sites.</p>
 <p>For a &#8220;watt&#8221; energy distribution, <tt class="docutils literal"><span class="pre">parameters</span></tt> should be given as two
 real numbers <img class="math" src="../_images/math/c7d457e388298246adb06c587bccd419ea67f7e8.png" alt="a"/> and <img class="math" src="../_images/math/8136a7ef6a03334a7246df9097e5bcc31ba33fd2.png" alt="b"/> that parameterize the distribution
@@ -1401,4 +1400,4 @@ turned on with &#8220;true&#8221; and off with &#8220;false&#8221;.</p>
 </script>
 
   </body>
-</html>
\ No newline at end of file
+</html>
