Update documentation/asciidoc/computers/raspberry-pi/introduction.adoc

Co-authored-by: Andrew Scheller <[email protected]>

Author: katshann-raspberry

documentation/asciidoc/computers/raspberry-pi/introduction.adoc

@@ -85,7 +85,7 @@ a|
 image::images/2-model-b.jpg[alt="Raspberry Pi 2 Model B"]
 a|
 * revision 1.1: xref:processors.adoc#bcm2836[BCM2836]
-* revision 1.2: xref:processors.adoc#bcm2837[BCM2837A]
+* revision 1.2: xref:processors.adoc#bcm2837[BCM2837]
 * revision 1.3: xref:processors.adoc#bcm2837b0[BCM2837B0]
  ^.^a| 1 GB | 40-pin GPIO header
 a|