diff --git a/docs/manual/install.html b/docs/manual/install.html
index cf029e2d5..34ba4f33b 100644
--- a/docs/manual/install.html
+++ b/docs/manual/install.html
@@ -192,7 +192,7 @@ if a DOS directory is to be added to the path. </li>
 
 The usual symptom of CLASSPATH problems is that ant will not run with some error
 about not being able to find org.apache.tools.Ant.main, or, if you have got the
-quotes/backslashes wrong, some very wierd Java startup error. To see if this is
+quotes/backslashes wrong, some very weird Java startup error. To see if this is
 the case, run <code>ant -noclasspath</code> or unset the CLASSPATH environment
 variable.