diff --git a/doc/gmqcc.1 b/doc/gmqcc.1
index 161811b..6d1d658 100644
--- a/doc/gmqcc.1
+++ b/doc/gmqcc.1
@@ -38,7 +38,7 @@ Default optimization level
 .IP 1
 Minimal optimization level
 .IP 0
-Disable optimization entierly
+Disable optimization entirely
 .RE
 .TP
 .BI "-O" name "\fR, " "" -Ono- name