8305504: stutter typo in java.compiler files

Reviewed-by: darcy, iris

src/java.compiler/share/classes/javax/annotation/processing/Filer.java

@@ -123,7 +123,8 @@ import java.io.IOException;
  * annotation if the environment is configured so that that class or
  * interface is accessible.
  *
- * @spec https://www.rfc-editor.org/info/rfc3986 RFC 3986: RFC 3986: Uniform Resource Identifier (URI): Generic Syntax
+ * @spec https://www.rfc-editor.org/info/rfc3986
+ *      RFC 3986: Uniform Resource Identifier (URI): Generic Syntax
  * @apiNote Some of the effect of overwriting a file can be
  * achieved by using a <i>decorator</i>-style pattern.  Instead of
  * modifying a class directly, the class is designed so that either

src/java.compiler/share/classes/javax/tools/JavaFileManager.java

@@ -103,7 +103,8 @@ import static javax.tools.JavaFileObject.Kind;
  * <p>Unless explicitly allowed, all methods in this interface might
  * throw a NullPointerException if given a {@code null} argument.
  *
- * @spec https://www.rfc-editor.org/info/rfc3986 RFC 3986: RFC 3986: Uniform Resource Identifier (URI): Generic Syntax
+ * @spec https://www.rfc-editor.org/info/rfc3986
+ *      RFC 3986: Uniform Resource Identifier (URI): Generic Syntax
  * @see JavaFileObject
  * @see FileObject
  * @since 1.6