crypto: doc - fix source comments for Sphinx

Update comments to avoid any complaints from Sphinx during compilation.

Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/include/crypto/skcipher.h b/include/crypto/skcipher.h
index cc4d98a..750b14f 100644
--- a/include/crypto/skcipher.h
+++ b/include/crypto/skcipher.h
@@ -516,7 +516,7 @@ static inline void skcipher_request_zero(struct skcipher_request *req)
  * skcipher_request_set_callback() - set asynchronous callback function
  * @req: request handle
  * @flags: specify zero or an ORing of the flags
- *         CRYPTO_TFM_REQ_MAY_BACKLOG the request queue may back log and
+ *	   CRYPTO_TFM_REQ_MAY_BACKLOG the request queue may back log and
  *	   increase the wait queue beyond the initial maximum size;
  *	   CRYPTO_TFM_REQ_MAY_SLEEP the request processing may sleep
  * @compl: callback function pointer to be registered with the request handle
@@ -533,7 +533,7 @@ static inline void skcipher_request_zero(struct skcipher_request *req)
  * cipher operation completes.
  *
  * The callback function is registered with the skcipher_request handle and
- * must comply with the following template
+ * must comply with the following template::
  *
  *	void callback_function(struct crypto_async_request *req, int error)
  */