runtime(doc): Fix typo in testing.txt (#14054)

Signed-off-by: h-east <h.east.727@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/testing.txt b/runtime/doc/testing.txt
index 442285d..fcd402c 100644
--- a/runtime/doc/testing.txt
+++ b/runtime/doc/testing.txt
@@ -235,7 +235,7 @@
 		    "mouse"	mouse event.
 		    "key"	keyboard event.
 		    "set_keycode_trans_strategy"
-				Change the key transation method
+				Change the key translation method.
 
 		"mouse":
 		  Inject either a mouse button click, or a mouse move, event.
@@ -294,7 +294,8 @@
 
 		"set_keycode_trans_strategy":
 		  |w32-experimental-keycode-trans-strategy|
-		  Switch the keycode translation method. The supported methods are:
+		  Switch the keycode translation method. The supported methods
+		  are:
 		    experimental:   The method used after Patch v8.2.4807
 				    using ToUnicode() Win API call.
 		    classic:	    The method used pre Patch v8.2.4807