diff --git a/docs/dos.tex b/docs/dos.tex
index bd3b8ad622..c2a8fd215d 100644
--- a/docs/dos.tex
+++ b/docs/dos.tex
@@ -423,7 +423,7 @@ Under \linux, supported attributes are:
 \procedure{GetFTime}{(var F; var Time: longint)}{
 \var{GetFTime} returns the modification time of a file.
 This time is encoded and must be decoded with \var{UnPackTime}. 
-\var{F} must be a file type, which has been assigned, but not
+\var{F} must be a file type, which has been assigned, and
 opened.}{Errors are reported in \var{DosError}}
 {\seep{SetFTime}, \seep{PackTime},\seep{UnPackTime}}
 
@@ -513,7 +513,7 @@ Under \linux the call exists, but is not implemented, i.e. it does nothing.}
 \procedure{SetFTime}{(var F; Time: longint)}{
 \var{GetFTime} returns the modification time of a file,
 this time is encoded and must be encoded with \var{PackTime}. 
-\var{F} must be a file type, which has been assigned, but not
+\var{F} must be a file type, which has been assigned, and
 opened.}{Errors are reported in \var{DosError}}
 {\seep{GetFTime}, \seep{PackTime},\seep{UnPackTime}}