[rtems-docs commit] Fixes typos in README.txt

[Chris Johns]

Module:    rtems-docs
Branch:    master
Commit:    737092fb982f8b049e3b30b484c832344d281fa3
Changeset: http://git.rtems.org/rtems-docs/commit/?id=737092fb982f8b049e3b30b484c832344d281fa3

Author:    Tanu Hari Dixit <tokencolour at gmail.com>
Date:      Wed May 31 16:10:06 2017 +0530

Fixes typos in README.txt

2 typos fixed

---

 README.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.txt b/README.txt
index f09317e..c1b7e6f 100644
--- a/README.txt
+++ b/README.txt
@@ -316,7 +316,7 @@ existing documentation for an example and if unsure ask.
       Heading   Description
       1  ###### Part
       2  ****** Section
-      3  ====== Sub-ection
+      3  ====== Sub-section
       4  ------ Sub-sub-section
       5  ^^^^^^ Sub-sub-sub-section
       6  ~~~~~~ Sub-sub-sub-sub-section
@@ -392,7 +392,7 @@ existing documentation for an example and if unsure ask.
      users        : Users Mailing List
      vc           : Version Control Mailing List
 
-  The valif URLs are:
+  The valid URLs are:
 
      trac         : https://devel.rtems.org/
      devel        : https://devel.rtems.org/