diff --git a/runtime/doc/change.txt b/runtime/doc/change.txt
index 6dd20ad..ac1b8b6 100644
--- a/runtime/doc/change.txt
+++ b/runtime/doc/change.txt
@@ -1,4 +1,4 @@
-*change.txt*    For Vim version 7.4.  Last change: 2016 Jan 02
+*change.txt*    For Vim version 7.4.  Last change: 2016 Jan 19
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1745,7 +1745,7 @@
 found here: |sort()|, |uniq()|.
 
 							*:sor* *:sort*
-:[range]sor[t][!] [i][u][r][n][x][o][b] [/{pattern}/]
+:[range]sor[t][!] [b][f][i][n][o][r][u][x] [/{pattern}/]
 			Sort lines in [range].  When no range is given all
 			lines are sorted.
 
@@ -1753,10 +1753,18 @@
 
 			With [i] case is ignored.
 
+			Options [n][f][x][o][b] are mutually exclusive.
+
 			With [n] sorting is done on the first decimal number
 			in the line (after or inside a {pattern} match).
 			One leading '-' is included in the number.
 
+			With [f] sorting is done on the Float in the line.
+			The value of Float is determined similar to passing
+			the text (after or inside a {pattern} match) to
+			str2float() function. This option is available only
+			if Vim was compiled with Floating point support.
+
 			With [x] sorting is done on the first hexadecimal
 			number in the line (after or inside a {pattern}
 			match).  A leading "0x" or "0X" is ignored.
@@ -1768,10 +1776,10 @@
 			With [b] sorting is done on the first binary number in
 			the line (after or inside a {pattern} match).
 
-			With [u] only keep the first of a sequence of
-			identical lines (ignoring case when [i] is used).
-			Without this flag, a sequence of identical lines
-			will be kept in their original order.
+			With [u] (u stands for unique) only keep the first of
+			a sequence of identical lines (ignoring case when [i]
+			is used).  Without this flag, a sequence of identical
+			lines will be kept in their original order.
 			Note that leading and trailing white space may cause
 			lines to be different.