--- a/doc/book/en/B0011-schema-stdlib.en.txt	Thu Mar 26 09:09:58 2009 +0100
+++ b/doc/book/en/B0011-schema-stdlib.en.txt	Thu Mar 26 11:43:06 2009 +0100
@@ -3,7 +3,7 @@
 Pre-defined schemas in the library
 ----------------------------------
 
-The library defines a set of entities schemas that are required by the system
+The library defines a set of entity schemas that are required by the system
 or commonly used in `CubicWeb` applications.
 Of course, you can extend those schemas if necessary.