diff --git a/configure.ac b/configure.ac
index c4f8a4cc..3275a66d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -683,7 +683,7 @@ TUKLIB_PHYSMEM
 TUKLIB_CPUCORES
 TUKLIB_MBSTR
 
-# If requsted, check for system-provided SHA-256. At least the following
+# If requested, check for system-provided SHA-256. At least the following
 # implementations are supported:
 #
 # OS       Headers                     Library  Type           Function