diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 80ac232f0a..6c7bde6bf7 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -2152,7 +2152,7 @@
     </para>
 
     <para>
-        A number of classes exist that are could be generally useful in
+        A number of classes exist that could be generally useful in
         OE-Core but are never actually used within OE-Core itself.
         The <filename>oelint</filename> class is one such example.
         However, being aware of this class can reduce the proliferation of