ref-manual: Fixed two grammar errors.

(From yocto-docs rev: 23a0edc13f2306008c0bbb154fb0861f15d4e6de)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 5d23a4467c..cfabb0897f 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -5483,7 +5483,7 @@
                     contamination.
                     Unlike
                     <link linkend='var-HOSTTOOLS'><filename>HOSTTOOLS</filename></link>,
-                    the OpenEmbedded build system does not produce and error
+                    the OpenEmbedded build system does not produce an error
                     if a tool specified in the value of
                     <filename>HOSTTOOLS_NONFATAL</filename> is not found on the
                     build host.
@@ -7851,7 +7851,7 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
                         required by the Yocto Project Compatible version 2
                         standard.
                         The OpenEmbedded build system, however, does not
-                        produce and error if the variable is not set.
+                        produce an error if the variable is not set.
                     </note>
                 </para>