diff --git a/doc/resources_in_R.org b/doc/resources_in_R.org
index eab0e11..5490467 100644
--- a/doc/resources_in_R.org
+++ b/doc/resources_in_R.org
@@ -1,18 +1,17 @@
 * Resources to learn R within R
 
-There are many sources to learn about R. As any GNU project, the manuals and info
-documentation are the first and most important source to be used to learn about
+There are plenty resources to learn about R. As any GNU project, the manuals and info
+documentation are the first and most important resource to be used to learn about
 the programs.
 
-Most of the times it is not necessary to open a question in a community, nor open
+Most of the times, it is not necessary to open a question in a community, nor open
 a browser to search in the web. Most of the times the answer is on your own
 copy of the manual.
 
 R and all the packages have extensive documentation and there are also packages
 that can be used to learn R within R.
 
-So, do not forget to read the manuals: it is a smarter way of beginning to learn
-R.
+So, do not forget to read the manuals: it is a smarter way of beginning to learn R.
 
 ** Package swirl