Minor tweak

Author: lurch

documentation/asciidoc/computers/config_txt/video.adoc

@@ -6,7 +6,7 @@ To control HDMI settings, use the xref:configuration.adoc#set-resolution-and-rot
 
 ==== HDMI Pipeline for Raspberry Pi 4
 
-In order to support dual displays and modes up to 4k60, the Raspberry Pi 4 generates 2 output pixels for every clock cycle.
+In order to support dual displays and modes up to 4Kp60, the Raspberry Pi 4 generates 2 output pixels for every clock cycle.
 
 Every HDMI mode has a list of timings that control all the parameters around sync pulse durations. These are typically defined via a pixel clock, and then a number of active pixels, a front porch, sync pulse, and back porch for each of the horizontal and vertical directions.