Fix typos on index.md (#5832)

Author: neslihanedes

docs/index.md

@@ -92,7 +92,7 @@ Using Gradle 5.0 or higher, you can add the following to the `dependencies` sect
 !!! warning "Shaded dependencies"
     Testcontainers depends on other libraries (like docker-java) for it to work.  
     Some of them (JUnit, docker-java-{api,transport} and its transitive dependencies, JNA, visible-assertions and others) are part of our public API.  
-    But there are also "private", implementation detail dependencies (e.g. docker-java-core, Guava, OkHttp, etc etc) that are not exposed to public API but prone to conflicts with test code/application under test code. 
+    But there are also "private", implementation detail dependencies (e.g., docker-java-core, Guava, OkHttp, etc.) that are not exposed to public API but prone to conflicts with test code/application under test code. 
     As such, **these libraries are 'shaded' into the core testcontainers JAR** and relocated under `org.testcontainers.shaded` to prevent class conflicts.
 
 ## Sponsors