Fix #2370, minor typos and spelling mistakes
diff --git a/library/x509_crt.c b/library/x509_crt.c
index 325bbc0..32aca01 100644
--- a/library/x509_crt.c
+++ b/library/x509_crt.c
@@ -2237,7 +2237,7 @@
  * Tests for (aspects of) this function should include at least:
  * - trusted EE
  * - EE -> trusted root
- * - EE -> intermedate CA -> trusted root
+ * - EE -> intermediate CA -> trusted root
  * - if relevant: EE untrusted
  * - if relevant: EE -> intermediate, untrusted
  * with the aspect under test checked at each relevant level (EE, int, root).