Spelling fixes

Author: mm-

README.md

@@ -117,7 +117,7 @@ _OSDSM Specialization: [Web Scraping & Crawling](https://github.com/datasciencem
 
 * **Probabilistic Modeling**
  * Probabilistic Programming and Bayesian Methods for Hackers [Github / Tutorials](http://bit.ly/ipnb-probabilisticprogramming)
- * Probabalistic Graphical Models [Stanford / Coursera](http://bit.ly/stanford-pgm)
+ * Probabilistic Graphical Models [Stanford / Coursera](http://bit.ly/stanford-pgm)
 
 * **Deep Learning (Neural Networks)**
  * Neural Networks [Andrej Karpathy / Python Walkthrough](http://karpathy.github.io/neuralnets/)
@@ -189,7 +189,7 @@ _More Libraries can be found in related [specializations](https://github.com/dat
 
  * **Natural Language Processing & Understanding**
    * [NLTK](http://bit.ly/py-nltk) - Natural Language Toolkit 
-   * [Gensim](http://bit.ly/py-gensim) - Python library for topic modelling, document indexing and similarity retrieval with large corpora. Target audience is the natural language processing (NLP) and information retrieval (IR) community.
+   * [Gensim](http://bit.ly/py-gensim) - Python library for topic modeling, document indexing and similarity retrieval with large corpora. Target audience is the natural language processing (NLP) and information retrieval (IR) community.
 
  * **Live Data Packages**
    * [twython](http://bit.ly/py-twython) - Python wrapper for the Twitter API 

basic-programming.md

@@ -11,7 +11,7 @@ _[Please help make this better!]_
  * Python the Hard Way [Online Book & Tutorial](http://learnpythonthehardway.org/book/) - my personal favorite Pythonic starting point.
 
 #### **Startups and Software Engineering**
- * Startup Engineering [Stanford / Coursera](https://class.coursera.org/startup-001) _NB: This is a full-stack class; explains development from conception to deployment. Great granualar, stepwise course explaining how to built an application from scratch._
+ * Startup Engineering [Stanford / Coursera](https://class.coursera.org/startup-001) _NB: This is a full-stack class; explains development from conception to deployment. Great granular, stepwise course explaining how to built an application from scratch._
  * [How Browsers Work](http://www.html5rocks.com/en/tutorials/internals/howbrowserswork/)
 
 ### Programming Tools & key Python Resources

janitorial.md

@@ -2,4 +2,4 @@
 
 #### **Tools**
 
-* [CSV Fingerprints](http://setosa.io/blog/2014/08/03/csv-fingerprints/) makes it easy to spot irrregularities in a CSV visually.
+* [CSV Fingerprints](http://setosa.io/blog/2014/08/03/csv-fingerprints/) makes it easy to spot irregularities in a CSV visually.