javadoc tweaks

Author: stephengold

src/main/java/com/github/stephengold/joltjni/Edge.java

@@ -95,7 +95,7 @@ public Edge setRestLength(float length) {
      * Assign the specified mesh vertex to the edge. (native attribute: mVertex)
      *
      * @param indexInEdge which end of the edge (0 or 1)
-     * @param indexInMesh the index of the vertex to assign (≥0)
+     * @param indexInMesh the index of the vertex to assign (≥0, default=0)
      * @return the modified settings, for chaining
      */
     public Edge setVertex(int indexInEdge, int indexInMesh) {

src/main/java/com/github/stephengold/joltjni/NativeLibraryLoader.java

@@ -39,10 +39,10 @@ private NativeLibraryLoader() {
     // new methods exposed
 
     /**
-     * Load a Jolt native library.
+     * Load a native library.
      *
      * @param libraryPath the file to load (not {@code null})
-     * @return true after successful load, otherwise false
+     * @return {@code true} after a successful load, otherwise {@code false}
      */
     public static boolean loadLibrary(String libraryPath) {
         assert libraryPath != null;