[rtems-docs commit] README.txt: Fix typos

[Joel Sherrill]

Module:    rtems-docs
Branch:    master
Commit:    30b5468afdc520f1638efe8f72cb040bb45e5f60
Changeset: http://git.rtems.org/rtems-docs/commit/?id=30b5468afdc520f1638efe8f72cb040bb45e5f60

Author:    Joel Sherrill <joel at rtems.org>
Date:      Wed Feb 13 15:42:51 2019 -0600

README.txt: Fix typos

---

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

diff --git a/README.txt b/README.txt
index d9fc4a6..b1a5978 100644
--- a/README.txt
+++ b/README.txt
@@ -31,7 +31,7 @@ We allow the building of PDF documentation on hosts that do not have a fully
 suitable texlive environment and this results in quality that is not at the
 production level.
 
-The hosts which produce production quality is:
+The hosts which produce production quality are:
 
  FreeBSD
  CentOS 6 and 7 (if using texlive, not RPMs of texlive)
@@ -79,7 +79,7 @@ Host Setup
 HTML builds directly with Sphinx, PDF requires a full Latex (texlive) install,
 and building a Single HTML page requires the 'inliner' tool. The
 sphinxcontrib-bibtex extension is mandatory. PlantUML requres the Node.js
-package called 'nde-plantuml' which installs the 'puml' command and Ditaa needs
+package called 'node-plantuml' which installs the 'puml' command and Ditaa needs
 the 'ditaa' command and package. Ditaa images are built using the 'puml'
 command.