Update code_of_conduct.rst

making -> make

Author: pacrob

docs/code_of_conduct.rst

@@ -5,7 +5,7 @@ Our Pledge
 ~~~~~~~~~~
 
 In the interest of fostering an open and welcoming environment, we as
-contributors and maintainers pledge to making participation in our project and
+contributors and maintainers pledge to make participation in our project and
 our community a harassment-free experience for everyone, regardless of age, body
 size, disability, ethnicity, gender identity and expression, level of experience,
 education, socio-economic status, nationality, personal appearance, race,