diff --git a/src/textprop.c b/src/textprop.c
index 718051e38f2431dabfff2bb449aa5080c957fa16..ec75c6907ae8930f658c8ac271804a93d2302ba7 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -719,7 +719,7 @@ it finds a change in some text property, or the beginning or end of an
 overlay, and returns the position of that.
 If none is found, the function returns (point-max).
 
-If the optional third argument LIMIT is non-nil, don't search
+If the optional second argument LIMIT is non-nil, don't search
 past position LIMIT; return LIMIT if nothing is found before LIMIT.  */)
      (position, limit)
      Lisp_Object position, limit;
@@ -744,7 +744,7 @@ finds a change in some text property, or the beginning or end of an
 overlay, and returns the position of that.
 If none is found, the function returns (point-max).
 
-If the optional third argument LIMIT is non-nil, don't search
+If the optional second argument LIMIT is non-nil, don't search
 past position LIMIT; return LIMIT if nothing is found before LIMIT.  */)
      (position, limit)
      Lisp_Object position, limit;