Capitalize ISO.
diff --git a/src/sfnt/sfobjs.c b/src/sfnt/sfobjs.c
index b74b1a9..cd395e0 100644
--- a/src/sfnt/sfobjs.c
+++ b/src/sfnt/sfobjs.c
@@ -160,7 +160,7 @@
/* According to the OpenType 1.3 specification, only Microsoft or */
/* Apple platform IDs might be used in the `name' table. The */
/* `Unicode' platform is reserved for the `cmap' table, and the */
- /* `Iso' one is deprecated. */
+ /* `ISO' one is deprecated. */
/* */
/* However, the Apple TrueType specification doesn't say the same */
/* thing and goes to suggest that all Unicode `name' table entries */