1 files changed, 5 insertions, 5 deletions

diff --git a/doc/lispref/strings.texi b/doc/lispref/strings.texi
index 5e0148b75a9..1ecc5671a90 100644
--- a/doc/lispref/strings.texi
+++ b/doc/lispref/strings.texi
@@ -483,17 +483,17 @@ dependent; a @var{locale} "en_US.UTF-8" is applicable on POSIX
 systems, while it would be, e.g., "enu_USA.1252" on MS-Windows
 systems.
 
-If @var{IGNORE-CASE} is non-nil, characters are converted to lower-case
+If @var{ignore-case} is non-@code{nil}, characters are converted to lower-case
 before comparing them.
 
 To emulate Unicode-compliant collation on MS-Windows systems,
-bind @code{w32-collate-ignore-punctuation} to a non-nil value, since
+bind @code{w32-collate-ignore-punctuation} to a non-@code{nil} value, since
 the codeset part of the locale cannot be "UTF-8" on MS-Windows.
 
 If your system does not support a locale environment, this function
 behaves like @code{string-equal}.
 
-Do NOT use this function to compare file names for equality, only
+Do @emph{not} use this function to compare file names for equality, only
 for sorting them.
 @end defun
 
@@ -602,11 +602,11 @@ behave like @code{string-lessp}:
 @end group
 @end example
 
-If @var{IGNORE-CASE} is non-nil, characters are converted to lower-case
+If @var{ignore-case} is non-@code{nil}, characters are converted to lower-case
 before comparing them.
 
 To emulate Unicode-compliant collation on MS-Windows systems,
-bind @code{w32-collate-ignore-punctuation} to a non-nil value, since
+bind @code{w32-collate-ignore-punctuation} to a non-@code{nil} value, since
 the codeset part of the locale cannot be "UTF-8" on MS-Windows.
 
 If your system does not support a locale environment, this function