diff --git a/opensym2017/content/03-requirements.tex b/opensym2017/content/03-requirements.tex
index 0d7aeb6..bcea3b8 100644
--- a/opensym2017/content/03-requirements.tex
+++ b/opensym2017/content/03-requirements.tex
@@ -15,8 +15,8 @@ SPB concepts and requirements with IT stakeholders from the Brazilian
 government and public organizations.
 
 After these 3 rounds discussing the new SPB platform, the Brazilian government
-listed about 145 requirements and developed a mind
-model\footnote{\url{https://softwarepublico.gov.br/social/spb/gallery/mapaconceitual.png}}
+listed about 145 requirements and developed a ``mind
+mapping''\footnote{\url{https://softwarepublico.gov.br/social/spb/gallery/mapaconceitual.png}}
 to guide the SPB portal evolution. In this scenario, the 10 most voted
 requirements are, for example:
 
@@ -86,10 +86,10 @@ and developers obtain some information and access their source code
 repositories at GitHub. However, there are not social networking and CMS
 features, as well as, other communication resources provided by that platform.
 
-Also, there are two initiatives in Europe:
+Additionally, there are two initiatives in Europe:
 OSOR\footnote{\url{https://joinup.ec.europa.eu/community/osor}} and
 OW2\footnote{\url{http://ow2.org}}. The Open Source Observatory (OSOR) is a
-community hosted in the JoinUp platform powereded by the European Commission.
+community hosted in the JoinUp platform powered by the European Commission.
 OSOR aims exchanging information, experiences and best practices around FOSS
 solutions for use in public administrations. Summarily, it helps to find a FOSS
 made available by other public administrations, providing access to information
@@ -110,13 +110,13 @@ quality resources and expertise on the various topics related to FOSS. The
 QualiPSo project also had planned to develop a platform called QualiPSo
 Factory but it was not fully completed.
 
-In Latin American has an initiative based on the SPB project called Software
-Publico Regional\footnote{\url{http://softwarepublicoregionalbeta.net}}. From
+In Latin American has an initiative based on the SPB project called ``Software
+Publico Regional''\footnote{\url{http://softwarepublicoregionalbeta.net}}. From
 the practical point of view, it provides a customized Gitlab instance to share
 the source code and documentation of the project from the involved countries.
 %
-Such as Brazil, Chile has its own portal also called Software
-Publico\footnote{\url{http://www.softwarepublico.gob.cl}}. The user can create
+Such as Brazil, Chile has its own portal also called ``Software
+Publico''\footnote{\url{http://www.softwarepublico.gob.cl}}. The user can create
 content in the communities (news items, documents, wiki pages), but all
 repository is available at the Bitbucket
 platform\footnote{\url{https://bitbucket.org/softwarepublico}}.
@@ -127,10 +127,10 @@ thousand registered users. We could not just contact these users and ask them
 to register an account at Github as well. Moreover, after the Edward Snowden
 case, the Brazilian government approved a specific law decree (8.135/2013) to
 rule its communication service. Summarily, services like Gmail, Google Drive,
-Dropbox, Live, Outlook, iCloud, as well, Google Groups, Github, etc do not
-could be used by a Brazilian public agent as tool for your work. To use these
-kinds of services the Brazilian government needs to provide them to itself.
-Thus, we developed our own solution to cover all the requirements, producing a
-complete governmental integrated platform for collaborative software
-development.
+Dropbox, Live, Outlook, iCloud, as well, Google Groups, Github, and so forth,
+these tools could not be used by a Brazilian public agent as tool for your
+work. To use these kinds of services the Brazilian government needs to provide
+them to itself.  Thus, we developed our own solution to cover all the
+requirements, producing a complete governmental integrated platform for
+collaborative software development.
 
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