Fix javadoc issues

src/main/java/org/kohsuke/github/CredentialProvider.java

@@ -34,7 +34,10 @@ public interface CredentialProvider {
     /**
      * Binds this credential provider to a github instance.
      *
+     * Only needs to be implemented by dynamic credentials providers that use a github instance in order to refresh.
+     *
      * @param github
+     *            The github instance to be used for refreshing dynamic credentials
      */
     default void bind(GitHub github) {
     }

src/main/java/org/kohsuke/github/ImmutableCredentialProvider.java

@@ -34,6 +34,9 @@ public class ImmutableCredentialProvider implements CredentialProvider {
      *
      * @param oauthAccessToken
      *            The token
+     * @param login
+     *            The login for this token
+     *
      * @return a correctly configured {@link CredentialProvider} that will always return the same provided
      *         oauthAccessToken
      */

src/main/java/org/kohsuke/github/OrgInstallationCredentialProvider.java

@@ -29,6 +29,9 @@ public class OrgInstallationCredentialProvider implements CredentialProvider {
      *
      * @param organizationName
      *            The name of the organization where the application is installed
+     * @param credentialProvider
+     *            A credential provider that returns a JWT token that can be used to refresh the App Installation token
+     *            from GitHub.
      */
     @BetaApi
     @Deprecated