diff --git a/man/rustc.1 b/man/rustc.1
index 33ef3f9ee4acb..b15829db431df 100644
--- a/man/rustc.1
+++ b/man/rustc.1
@@ -242,7 +242,7 @@ full debug info with variable and type information.
 \fBopt\-level\fR=\fIVAL\fR
 Optimize with possible levels 0\[en]3
 
-.SH ENVIRONMENT VARIABLES
+.SH ENVIRONMENT
 
 Some of these affect the output of the compiler, while others affect programs
 which link to the standard library.