typos

content/citing.txt

 Citing kwant
 ============
 
-While kwant is not publiclly released yet, we hope that once it is, it will be
+While kwant is not publicly released yet, we hope that once it is, it will be
 used for research.  If kwant contributes to a project that leads to a scientific
 publication, please acknowledge this fact by citing the project.  The kwant
-paper has not been published yet, but will be anounced at this place once
+paper has not been published yet, but will be announced at this place once
 published: please check.

content/index.txt

@@ -4,11 +4,11 @@ __template__: home.mako
 Numerics of tight binding models made easy
 ==========================================
 
-kwant is a Python package for numerical calculations on tigh-binding models
+kwant is a Python package for numerical calculations on tight-binding models
 with most focus on quantum transport.  It is designed to be flexible, easy to
 use, while not sacrificing performance.
 
-Its flexbility is illustrated below by showcasing some of its applications. How
+Its flexibility is illustrated below by showcasing some of its applications. How
 easy it is to use is shown in the tutorial, and finally its performance was
 carefully tested.