Apply suggestions from code review

Co-authored-by: Dachary <dachary.carey@mongodb.com>

Author: cbullinger

mflix/README-JAVA-SPRING.md

@@ -16,7 +16,7 @@ This is a full-stack movie browsing application built with Java Spring Boot and
 
 ## Data Limitations
 
-The `sample_mflix` dataset contains movies released up to **2015**. Searching for movies from 2016 or later will return no results. This is a limitation of the sample dataset, not the application.
+The `sample_mflix` dataset contains movies released up to **2016**. Searching for movies from 2017 or later will return no results. This is a limitation of the sample dataset, not the application.
 
 ## Prerequisites
 

mflix/README-JAVASCRIPT-EXPRESS.md

@@ -16,7 +16,7 @@ This is a full-stack movie browsing application built with Express.js and Next.j
 
 ## Data Limitations
 
-The `sample_mflix` dataset contains movies released up to **2015**. Searching for movies from 2016 or later will return no results. This is a limitation of the sample dataset, not the application.
+The `sample_mflix` dataset contains movies released up to **2016**. Searching for movies from 2017 or later will return no results. This is a limitation of the sample dataset, not the application.
 
 ## Prerequisites
 

mflix/README-PYTHON-FASTAPI.md

@@ -19,7 +19,7 @@ This is a full-stack movie browsing application built with Python FastAPI and Ne
 
 ## Data Limitations
 
-The `sample_mflix` dataset contains movies released up to **2015**. Searching for movies from 2016 or later will return no results. This is a limitation of the sample dataset, not the application.
+The `sample_mflix` dataset contains movies released up to **2016**. Searching for movies from 2017 or later will return no results. This is a limitation of the sample dataset, not the application.
 
 ## Prerequisites