doc: Minor comment fixes.

--

common/recsel.c

@@ -174,6 +174,7 @@ find_next_lc (char *string)
  *   -c  The string match in this part is done case-sensitive.
  *   -t  Do not trim leading and trailing spaces from VALUE.
  *       Note that a space after <op> is here required.
+ *   -r  RFU: String match uses a regular expression
  *
  * For example four calls to recsel_parse_expr() with these values for
  * EXPR
@@ -192,7 +193,7 @@ find_next_lc (char *string)
  *
  * The caller must pass the address of a selector variable to this
  * function and initialize the value of the function to NULL before
- * the first call.  recset_release needs to be called to free the
+ * the first call.  recsel_release needs to be called to free the
  * selector.
  */
 gpg_error_t

scd/app-p15.c

@@ -326,7 +326,7 @@ struct prkdf_object_s
   char *serial_number;
 
   /* KDF/KEK parameter for OpenPGP's ECDH.  First byte is zero if not
-   * available. .*/
+   * available.  */
   unsigned char ecdh_kdf[4];
 
   /* Length and allocated buffer with the Id of this object. */