doc: add missing paren (pointed out by nbjoerg)

R=rsc, r
CC=golang-dev
https://golang.org/cl/1983045

diff --git a/doc/effective_go.html b/doc/effective_go.html
index 41a7b8af93eede7aa892b61e1d74121e879b3397..9e769aba47c5521c998048010e202a9319de182b 100644 (file)
--- a/doc/effective_go.html
+++ b/doc/effective_go.html
@@ -2603,7 +2603,7 @@ func CubeRoot(x float64) float64 {
         }
     }
     // A million iterations has not converged; something is wrong.
-    panic(fmt.Sprintf("CubeRoot(%g) did not converge", x)
+    panic(fmt.Sprintf("CubeRoot(%g) did not converge", x))
 }
 </pre>