DOC: copy editing

Co-authored-by: Jody Klymak <[email protected]>

Author: tacaswell

doc/users/project/mission.rst

@@ -1,12 +1,12 @@
 Matplotlib Mission Statement
 ============================
 
-The mission of the Matplotlib developer community is to develop, maintain, and
-support Matplotlib and its extensions which provide plotting tools for users of
-the Scientific Python Ecosystem.  We success is based on how effectively we
+The Matplotlib developer community develops, maintains, and
+supports Matplotlib and its extensions, providing plotting tools for 
+the Scientific Python Ecosystem.  Our success is based on how effectively we
 enable our users, across scientific, industrial, commercial, and educational
-applications, to achieve their goals.  A diverse developer community creates
-the best software and we welcome anyone, regardless of experience, education,
+applications, to achieve their goals.  We believe that a diverse developer community creates
+the best software, and we welcome anyone, regardless of experience, education,
 gender, or nationality, who shares our mission to the community.
 
 
@@ -21,7 +21,7 @@ Adapting the requirements :ref:`laid out by John Hunter
 * Make standard plots easy;
 * Make novel or complicated visualizations possible.
 
-To achieve these goals simultaneously across the full gamut of the domains we
-support we have adopted a model of a core general library and an ecosystem of
+To achieve these goals simultaneously across the full gamut of the domains that depend on Matplotlib, 
+we have adopted a model of a general core library that supports an ecosystem of
 domain-specific extensions that inter-operate as much as practical.