--- a/doc/interpreter/tips.txi
+++ b/doc/interpreter/tips.txi
@@ -347,7 +347,7 @@
 @example
 @group
 -*- texinfo -*-
-@@deftypefn@{Function File@} @{@@var@{ret@} =@} fn (@dots{})
+@@deftypefn @{Function File@} @{@@var@{ret@} =@} fn (@dots{})
 @@cindex index term
 Help text in Texinfo format.  Code samples should be marked 
 like @@code@{sample of code@} and variables should be marked
@@ -366,7 +366,7 @@
 This string signals Octave that the following text is in Texinfo format,
 and should be the first part of any help string in Texinfo format.
 
-@item @@deftypefn@{class@} @dots{} @@end deftypefn
+@item @@deftypefn @{class@} @dots{} @@end deftypefn
 The entire help string should be enclosed within the block defined by
 deftypefn.
 
@@ -394,7 +394,7 @@
 with text terminals as well as generating high-quality printed output.
 To these ends, Texinfo has commands which control the diversion of parts
 of the document into a particular output processor.  Three formats are
-of importance: info, HTML and @TeX{}.  These are selected with
+of importance: info, HTML, and @TeX{}.  These are selected with
 
 @example
 @group
@@ -477,8 +477,8 @@
 @example
 @group
 -*- texinfo -*-
-@@deftypefn @{Function File@} @{@@var@{a@} =@} fn (@@var@{x@}, @dots{})
-@@deftypefnx@{Function File@} @{@@var@{a@} =@} fn (@@var@{y@}, @dots{})
+@@deftypefn  @{Function File@} @{@@var@{a@} =@} fn (@@var@{x@}, @dots{})
+@@deftypefnx @{Function File@} @{@@var@{a@} =@} fn (@@var@{y@}, @dots{})
 Help text in Texinfo format.
 @@end deftypefn
 @end group