Fix typo (donnemartin#75)

CharlesSantiago · donnemartin · commit e168c588f534 · 2017-05-26T20:32:45.000-04:00
diff --git a/README.md b/README.md
@@ -1061,7 +1061,7 @@ Reasons for **NoSQL**:
 
 * Semi-structured data
 * Dynamic or flexible schema
-* Non relational data
+* Non-relational data
 * No need for complex joins
 * Store many TB (or PB) of data
 * Very data intensive workload
