Fix typo in assert comment.

Change-Id: I9643890965c0774dbfeb22337cf2340c24ddabe3
diff --git a/inc/hf/assert.h b/inc/hf/assert.h
index e3ac758..299b296 100644
--- a/inc/hf/assert.h
+++ b/inc/hf/assert.h
@@ -21,7 +21,7 @@
 #include "hf/panic.h"
 
 /**
- * Only use for exceptional cases and never if the condition could be true e.g.
+ * Only use for exceptional cases and never if the condition could be false e.g.
  * when processing external inputs.
  */
 #define assert(x)                                                             \