diff --git a/docs/LangRef.html b/docs/LangRef.html
index a664f32..03235ec 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -1606,7 +1606,7 @@
 this, the '<tt>phi</tt>' instruction takes a list of pairs as arguments, with
 one pair for each predecessor basic block of the current block.  Only values of
 <a href="#t_firstclass">first class</a> type may be used as the value arguments
-to the PHI node.  Only labels be used as the label arguments.<p>
+to the PHI node.  Only labels may be used as the label arguments.<p>
 
 There must be no non-phi instructions between the start of a basic block and the
 PHI instructions: i.e. PHI instructions must be first in a basic block.<p>