diff --git a/src/pkg/runtime/asm_386.s b/src/pkg/runtime/asm_386.s
index 2aa1a2d0e42..89db4137044 100644
--- a/src/pkg/runtime/asm_386.s
+++ b/src/pkg/runtime/asm_386.s
@@ -141,7 +141,7 @@ TEXT runtime·gosave(SB), 7, $0
 	MOVL	BX, gobuf_g(AX)
 	RET
 
-// void gogo(Gobuf*, uintptr)
+// void gogo(Gobuf*)
 // restore state from Gobuf; longjmp
 TEXT runtime·gogo(SB), 7, $0
 	MOVL	4(SP), BX		// gobuf
diff --git a/src/pkg/runtime/asm_amd64.s b/src/pkg/runtime/asm_amd64.s
index be3ae0d32ad..f6919c6d03f 100644
--- a/src/pkg/runtime/asm_amd64.s
+++ b/src/pkg/runtime/asm_amd64.s
@@ -128,7 +128,7 @@ TEXT runtime·gosave(SB), 7, $0
 	MOVQ	BX, gobuf_g(AX)
 	RET
 
-// void gogo(Gobuf*, uintptr)
+// void gogo(Gobuf*)
 // restore state from Gobuf; longjmp
 TEXT runtime·gogo(SB), 7, $0
 	MOVQ	8(SP), BX		// gobuf
diff --git a/src/pkg/runtime/asm_arm.s b/src/pkg/runtime/asm_arm.s
index 7d6123c0e55..5442e69ad14 100644
--- a/src/pkg/runtime/asm_arm.s
+++ b/src/pkg/runtime/asm_arm.s
@@ -108,7 +108,7 @@ TEXT runtime·gosave(SB), 7, $-4
 	MOVW	R11, gobuf_ctxt(R0)
 	RET
 
-// void gogo(Gobuf*, uintptr)
+// void gogo(Gobuf*)
 // restore state from Gobuf; longjmp
 TEXT runtime·gogo(SB), 7, $-4
 	MOVW	0(FP), R1		// gobuf