Update method name in documentation to match V4 name

lib/h3core.js

@@ -964,7 +964,7 @@ export function gridDiskDistances(h3Index, ringSize) {
 
 /**
  * Get all hexagons in a hollow hexagonal ring centered at origin with sides of a given length.
- * Unlike kRing, this function will throw an error if there is a pentagon anywhere in the ring.
+ * Unlike gridDisk, this function will throw an error if there is a pentagon anywhere in the ring.
  * @static
  * @param  {H3IndexInput} h3Index  H3 index of center hexagon
  * @param  {number} ringSize  Radius of ring