find and fix fixtypo (#88)

RELEASE-NOTES.txt

@@ -51,7 +51,7 @@ o COLLECTIONS-688:  Update platform requirement from Java 7 to 8.
 o COLLECTIONS-689:  Link to Javadoc API broken. Thanks to Richard Walker.
 o COLLECTIONS-692:  Replace use of deprecated Class#newInstance() PR #49. Thanks to Gary Gregory, Eitan Adler.
 
-Please NOTE: Clirr errors reported for this release are false positive, this is prooved by Japicmp report
+Please NOTE: Clirr errors reported for this release are false positive, this is proved by Japicmp report
 And manual testing.
 
 For complete information on Apache Commons Collections, including instructions on how to submit bug reports,

src/main/java/org/apache/commons/collections4/map/AbstractHashedMap.java

@@ -1235,7 +1235,7 @@ public class AbstractHashedMap<K, V> extends AbstractMap<K, V> implements Iterab
      * what must be serialized here, if anything.
      *
      * @param out  the output stream
-     * @throws IOException if an error occurs while writing tothe stream
+     * @throws IOException if an error occurs while writing to the stream
      */
     protected void doWriteObject(final ObjectOutputStream out) throws IOException {
         out.writeFloat(loadFactor);

src/test/java/org/apache/commons/collections4/map/AbstractMapTest.java

@@ -463,7 +463,7 @@ public abstract class AbstractMapTest<K, V> extends AbstractObjectTest {
     }
 
     /**
-     * Gets the compatability version, needed for package access.
+     * Gets the compatibility version, needed for package access.
      */
     @Override
     public String getCompatibilityVersion() {