[kernel] fix some @raise

src/kernel_services/cmdline_parameters/cmdline.mli

@@ -309,7 +309,7 @@ val add_aliases:
     option name [orig].
     If [visible] is set to false, the aliases do not appear in help messages.
     If [deprecated] is set to true, the use of the aliases emits a warning.
-    @Invalid_argument if an alias name is the empty string
+    @raise Invalid_argument if an alias name is the empty string
     @since Carbon-20110201
     @before 22.0-Titanium no [visible] and [deprecated] arguments. *)
 

src/libraries/project/state_builder.mli

@@ -236,7 +236,7 @@ module type Weak_hashtbl = sig
 
   val find: data -> data
   (** [find x] returns an instance of [x] found in table.
-      @Raise Not_found if there is no such element.
+      @raise Not_found if there is no such element.
       @since Boron-20100401 *)
 
   val find_all: data -> data list