diff --git a/basis/cpu/x86/assembler/assembler-docs.factor b/basis/cpu/x86/assembler/assembler-docs.factor
index 0c2fa3e292..6c1ecb5a57 100644
--- a/basis/cpu/x86/assembler/assembler-docs.factor
+++ b/basis/cpu/x86/assembler/assembler-docs.factor
@@ -21,6 +21,6 @@ HELP: (MOV-I)
 { $values { "dst" "destination" "src" "immediate value" } }
 { $description "MOV where the src is immediate." } ;
 
-ARTICLE: "cpu.x86.assembler" "x86 assembler" "This vocab implements an assembler for x86 architectures." ;
+ARTICLE: "cpu.x86.assembler" "X86 assembler" "This vocab implements an assembler for x86 architectures." ;
 
 ABOUT: "cpu.x86.assembler"