diff --git a/man/wofi.1 b/man/wofi.1
index 13d9486..ca3b074 100644
--- a/man/wofi.1
+++ b/man/wofi.1
@@ -36,10 +36,10 @@ Runs wofi in dmenu mode.
 Specifies the mode to run in. A list of modes can be found in \fBwofi\fR(7).
 .TP
 .B \-W, \-\-width=\fIWIDTH\fR
-Specifies the menu width in pixels, default is 1000.
+Specifies the menu width in pixels or percent of screen size, default is 1000. Pixels are used unless the number ends with a %.
 .TP
 .B \-H, \-\-height=\fIHEIGHT\fR
-Specifies the menu height in pixels, default is 400.
+Specifies the menu height in pixels or percent of screen size, default is 400. Pixels are used unless the number ends with a %.
 .TP
 .B \-p, \-\-prompt=\fIPROMPT\fR
 Sets the prompt to be display in the search box, default is the name of the mode.
diff --git a/man/wofi.5 b/man/wofi.5
index 613c68b..a33eca1 100644
--- a/man/wofi.5
+++ b/man/wofi.5
@@ -32,10 +32,10 @@ Specifies the mode to run in. A list of modes can be found in \fBwofi\fR(7).
 Identical to \fBshow\fR.
 .TP
 .B width=\fIWIDTH\fR
-Specifies the menu width in pixels, default is 1000.
+Specifies the menu width in pixels or percent of screen size, default is 1000. Pixels are used unless the number ends with a %.
 .TP
 .B height=\fIHEIGHT\fR
-Specifies the menu height in pixels, default is 400.
+Specifies the menu height in pixels or percent of screen size, default is 400. Pixels are used unless the number ends with a %.
 .TP
 .B prompt=\fIPROMPT\fR
 Sets the prompt to be display in the search box, default is the name of the mode.