diff --git a/doc/go1.7.html b/doc/go1.7.html
index 34236b4dcb..a460754794 100644
--- a/doc/go1.7.html
+++ b/doc/go1.7.html
@@ -291,7 +291,7 @@ To avoid confusion with the new <code>-tests</code> check, the old, unadvertised
 <p id="vet_lostcancel">
 The <code>vet</code> command also has a new check,
 <code>-lostcancel</code>, which detects failure to call the
-cancellation function returned by the <code>WithCancel</code>,
+cancelation function returned by the <code>WithCancel</code>,
 <code>WithTimeout</code>, and <code>WithDeadline</code> functions in
 Go 1.7's new <code>context</code> package (see <a
 href='#context'>below</a>).
diff --git a/src/cmd/compile/internal/gc/ssa.go b/src/cmd/compile/internal/gc/ssa.go
index c0e6045216..7f55da621c 100644
--- a/src/cmd/compile/internal/gc/ssa.go
+++ b/src/cmd/compile/internal/gc/ssa.go
@@ -1731,7 +1731,7 @@ func (s *state) expr(n *Node) *ssa.Value {
 			addop := ssa.OpAdd64F
 			subop := ssa.OpSub64F
 			pt := floatForComplex(n.Type) // Could be Float32 or Float64
-			wt := Types[TFLOAT64]         // Compute in Float64 to minimize cancellation error
+			wt := Types[TFLOAT64]         // Compute in Float64 to minimize cancelation error
 
 			areal := s.newValue1(ssa.OpComplexReal, pt, a)
 			breal := s.newValue1(ssa.OpComplexReal, pt, b)
@@ -1769,7 +1769,7 @@ func (s *state) expr(n *Node) *ssa.Value {
 			subop := ssa.OpSub64F
 			divop := ssa.OpDiv64F
 			pt := floatForComplex(n.Type) // Could be Float32 or Float64
-			wt := Types[TFLOAT64]         // Compute in Float64 to minimize cancellation error
+			wt := Types[TFLOAT64]         // Compute in Float64 to minimize cancelation error
 
 			areal := s.newValue1(ssa.OpComplexReal, pt, a)
 			breal := s.newValue1(ssa.OpComplexReal, pt, b)
diff --git a/src/cmd/vet/doc.go b/src/cmd/vet/doc.go
index bb8dcf171f..69d5f9cc78 100644
--- a/src/cmd/vet/doc.go
+++ b/src/cmd/vet/doc.go
@@ -91,11 +91,11 @@ Flag: -tests
 Mistakes involving tests including functions with incorrect names or signatures
 and example tests that document identifiers not in the package.
 
-Failure to call the cancellation function returned by context.WithCancel.
+Failure to call the cancelation function returned by context.WithCancel.
 
 Flag: -lostcancel
 
-The cancellation function returned by context.WithCancel, WithTimeout,
+The cancelation function returned by context.WithCancel, WithTimeout,
 and WithDeadline must be called or the new context will remain live
 until its parent context is cancelled.
 (The background context is never cancelled.)
diff --git a/src/cmd/vet/lostcancel.go b/src/cmd/vet/lostcancel.go
index 3649e138b9..11c3c47783 100644
--- a/src/cmd/vet/lostcancel.go
+++ b/src/cmd/vet/lostcancel.go
@@ -14,7 +14,7 @@ import (
 
 func init() {
 	register("lostcancel",
-		"check for failure to call cancellation function returned by context.WithCancel",
+		"check for failure to call cancelation function returned by context.WithCancel",
 		checkLostCancel,
 		funcDecl, funcLit)
 }