diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index a2c13ac..a17cf71 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 7.4.  Last change: 2016 Jan 03
+*options.txt*	For Vim version 7.4.  Last change: 2016 Jan 09
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -4848,13 +4848,13 @@
 	reset this option. |-u| |--noplugin|
 
 						*'luadll'*
-'luadll' 		string	(default empty)
+'luadll' 		string	(default depends on the build)
 			global
-			{not in Vi} {only for Unix}
+			{not in Vi}
 			{only available when compiled with the |+lua/dyn|
 			feature}
-	Specifies the path of the Lua shared library instead of DYNAMIC_LUA_DLL
-	what was specified at compile time.
+	Specifies the name of the Lua shared library. The default is
+	DYNAMIC_LUA_DLL, which was specified at compile time.
 	This option cannot be set from a |modeline| or in the |sandbox|, for
 	security reasons.
 
@@ -5297,7 +5297,7 @@
 	Negative or zero value means no thread scheduling.
 
 							*'nrformats'* *'nf'*
-'nrformats' 'nf'	string	(default "octal,hex")
+'nrformats' 'nf'	string	(default "bin,octal,hex")
 			local to buffer
 			{not in Vi}
 	This defines what bases Vim will consider for numbers when using the
@@ -5311,6 +5311,9 @@
 	hex	If included, numbers starting with "0x" or "0X" will be
 		considered to be hexadecimal.  Example: Using CTRL-X on
 		"0x100" results in "0x0ff".
+	bin	If included, numbers starting with "0b" or "0B" will be
+		considered to be binary.  Example: Using CTRL-X on
+		"0b1000" subtracts one, resulting in "0b0111".
 	Numbers which simply begin with a digit in the range 1-9 are always
 	considered decimal.  This also happens for numbers that are not
 	recognized as octal or hex.
@@ -5565,13 +5568,13 @@
 	this doesn't work when $INCL contains a comma or white space.
 
 						*'perldll'*
-'perldll' 		string	(default empty)
+'perldll' 		string	(default depends on the build)
 			global
-			{not in Vi} {only for Unix}
+			{not in Vi}
 			{only available when compiled with the |+perl/dyn|
 			feature}
-	Specifies the path of the Perl shared library instead of
-	DYNAMIC_PERL_DLL what was specified at compile time.
+	Specifies the name of the Perl shared library. The default is
+	DYNAMIC_PERL_DLL, which was specified at compile time.
 	This option cannot be set from a |modeline| or in the |sandbox|, for
 	security reasons.
 
@@ -5702,24 +5705,24 @@
 	|ins-completion-menu|.
 
 						*'pythondll'*
-'pythondll' 		string	(default empty)
+'pythondll' 		string	(default depends on the build)
 			global
-			{not in Vi} {only for Unix}
+			{not in Vi}
 			{only available when compiled with the |+python/dyn|
 			feature}
-	Specifies the path of the Python 2.x shared library instead of
-	DYNAMIC_PYTHON_DLL what was specified at compile time.
+	Specifies the name of the Python 2.x shared library. The default is
+	DYNAMIC_PYTHON_DLL, which was specified at compile time.
 	This option cannot be set from a |modeline| or in the |sandbox|, for
 	security reasons.
 
 						*'pythonthreedll'*
-'pythonthreedll'	string	(default empty)
+'pythonthreedll'	string	(default depends on the build)
 			global
-			{not in Vi} {only for Unix}
+			{not in Vi}
 			{only available when compiled with the |+python3/dyn|
 			feature}
-	Specifies the path of the Python 3 shared library instead of
-	DYNAMIC_PYTHON3_DLL what was specified at compile time.
+	Specifies the name of the Python 3 shared library. The default is
+	DYNAMIC_PYTHON3_DLL, which was specified at compile time.
 	This option cannot be set from a |modeline| or in the |sandbox|, for
 	security reasons.
 
@@ -5943,13 +5946,13 @@
 	The 'rightleft' option must be set for 'rightleftcmd' to take effect.
 
 						*'rubydll'*
-'rubydll' 		string	(default empty)
+'rubydll' 		string	(default: depends on the build)
 			global
-			{not in Vi} {only for Unix}
+			{not in Vi}
 			{only available when compiled with the |+ruby/dyn|
 			feature}
-	Specifies the path of the Ruby shared library instead of
-	DYNAMIC_RUBY_DLL what was specified at compile time.
+	Specifies the name of the Ruby shared library. The default is
+	DYNAMIC_RUBY_DLL, which was specified at compile time.
 	This option cannot be set from a |modeline| or in the |sandbox|, for
 	security reasons.