documentation: dev-manual - fixed grammar.

(From yocto-docs rev: 57c3a8d32e0fab3a566eb5f0ac8b38a6786489f6)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/documentation/dev-manual/dev-manual-common-tasks.xml b/documentation/dev-manual/dev-manual-common-tasks.xml
index b42a09bf2baa55df14a188a6c3c2ce759ea822d7..6e7093a8130ef4d86fa107979d209c337c688e56 100644 (file)
--- a/documentation/dev-manual/dev-manual-common-tasks.xml
+++ b/documentation/dev-manual/dev-manual-common-tasks.xml
@@ -30,7 +30,7 @@
             These types of customizations typically reside in a BSP Layer.
             Furthermore, the machine customizations should be isolated from recipes and metadata that support 
             a new GUI environment, for example. 
-            This situation gives you a couple a layers: one for the machine configurations, and one for the 
+            This situation gives you a couple of layers: one for the machine configurations, and one for the 
             GUI environment.
             It is important to understand, however, that the BSP layer can still make machine-specific 
             additions to recipes within the GUI environment layer without polluting the GUI layer itself