Fix typo in README.md

aidendeom · aidendeom · commit 150f70f2d033 · 2015-11-12T13:25:00.000-05:00
diff --git a/README.md b/README.md
@@ -563,7 +563,7 @@ map.computeIfAbsent(3, num -> "bam");
 map.get(3);             // val33
 ```
 
-Next, we learn how to remove entries for a a given key, only if it's currently mapped to a given value:
+Next, we learn how to remove entries for a given key, only if it's currently mapped to a given value:
 
 ```java
 map.remove(3, "val3");
