diff --git a/src/runtime/proc.go b/src/runtime/proc.go
index e312c575d0..8a5812639e 100644
--- a/src/runtime/proc.go
+++ b/src/runtime/proc.go
@@ -479,7 +479,7 @@ func internal_cpu_initialize(env string)
 //go:linkname internal_cpu_debugOptions internal/cpu.debugOptions
 var internal_cpu_debugOptions bool
 
-// cpuinit extracts the environment variable GODEBUGCPU from the enviroment on
+// cpuinit extracts the environment variable GODEBUGCPU from the environment on
 // Linux and Darwin if the GOEXPERIMENT debugcpu was set and calls internal/cpu.initialize.
 func cpuinit() {
 	const prefix = "GODEBUGCPU="