fix typos

Author: Tobias Fuhrimann

bind-service.html.md.erb

@@ -70,7 +70,7 @@ if 'VCAP_SERVICES' in os.environ:
     mongo_credentials = vcap_services['mongodb'][0]['credentials']
     mongo_uri = mongo_credentials['uri']
 else:
-    mongo_uri = 'mongodb://localhost/db'
+    mongo_uri = 'mongodb://localhost/test'
 
 app.config['MONGODB_SETTINGS'] = {
     'host': mongo_uri,

dependencies.html.md.erb

@@ -39,22 +39,22 @@ Now run this command in your local directory to install the dependencies, prepar
 
 <pre class="terminal">
 $ pip install -r requirements.txt
-Collecting Flask==0.10 (from -r requirements.txt (line 1))
+Collecting Flask>=0.10 (from -r requirements.txt (line 1))
   Downloading Flask-0.10.tar.gz (544kB)
 
 ...
 </pre>
 
 Once dependencies are installed, you will be ready to run your app locally.
 
-Upon running `cf push`, we will also push our whole dependencies folder `venv`. Since Cloud Foundry runs `pip install -r requirements.txt` anyways, this is redunant and should be omitted to save bandwidth and even more importantly: time. You can create a `.cfignore` file which works just like a `.gitignore` file and which tells Cloud Foundry what files should be excluded when pushing. Let's create a `.cfignore` file and exclude the `venv`:
+Upon running `cf push`, we will also push our whole virtual environment folder `venv`. Since Cloud Foundry runs `pip install -r requirements.txt` anyways, this is redunant and should be omitted to save bandwidth and even more importantly: time. You can create a `.cfignore` file which works just like a `.gitignore` file and which tells Cloud Foundry what files should be excluded when pushing. Let's create a `.cfignore` file and exclude the `venv` folder:
 
 ```
 venv
 ```
 
 <p class="note">
-<strong>Note</strong>: Cloud Foundry uses the latest version of Python 2.7 by default. To change that, create a `runtime.txt` file and put the respective version number into it. Be aware however, that Cloud Foundry only accepts the version specified <a href="https://github.com/cloudfoundry/python-buildpack/blob/master/manifest.yml" target="_blank">here</a>.
+<strong>Note</strong>: Cloud Foundry uses the latest version of Python 2.7 by default. To change that, create a <code>runtime.txt</code> file and put the respective version number into it. Be aware however, that Cloud Foundry only accepts the version specified <a href="https://github.com/cloudfoundry/python-buildpack/blob/master/manifest.yml" target="_blank">here</a>.
 </p>
 
 <div style="text-align:center;margin:3em;">

environment.html.md.erb

@@ -28,7 +28,7 @@ Restaging app my-python-app in org MyOrg / space MySpace as user@mydomain.com...
 ...
 </pre>
 
-All environment variables are accessed using `os.getenv('ENV_VARIABLE')` or `os.environ('ENV_VARIABLE')` from within your Python app. Make sure you have an `import os` statement in your file to be able to use this method.
+All environment variables are accessed using `os.getenv('ENV_VARIABLE')` or `os.environ('ENV_VARIABLE')` from within your Python app. Make sure you have an `import os` statement in your file to be able to use these methods.
 
 <div style="text-align:center;margin:3em;">
   <a href="./bind-service.html" class="btn btn-primary">I've set my environment variable</a>

push-changes.html.md.erb

@@ -10,22 +10,19 @@ In this step you’ll learn how to propagate a local change to the application t
 Change the `return` property in the `app.py` file to 'I am awesome!'. Your final result should look something like this:
 
 ```python
-"""CF Sample App Python"""
-
 from flask import Flask
 import os
 
 app = Flask(__name__)
 
-port = int(os.getenv("PORT", "3000"))
+port = int(os.getenv('PORT', '3000'))
 
 @app.route('/')
 def hello_world():
-    return 'I am awesome!'
+    return 'I am awesome!.'
 
 if __name__ == '__main__':
     app.run(host='0.0.0.0', port=port)
-
 ```
 
 Now test locally: