Fix docs in error.h

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/include/mbedtls/error.h b/include/mbedtls/error.h
index 49e9f1b..cc79d4f 100644
--- a/include/mbedtls/error.h
+++ b/include/mbedtls/error.h
@@ -100,10 +100,10 @@
  * MD        5   5
  * HKDF      5   1 (Started from top)
  * SSL       5   2 (Started from 0x5F00)
- * CIPHER    6   8 (Started from 0x6080)
+ * CIPHER    6   7 (Started from 0x6080, gap at 0x6980)
  * SSL       6   24 (Started from top, plus 0x6000)
- * SSL       7   19 (Started from 0x7080, gaps at
- *                   0x7500-0x7580, 0x7900-0x7980, 0x7A80-0x7E80)
+ * SSL       7   20 (Started from 0x7080, gaps at
+ *                   0x7380, 0x7900-0x7980, 0x7A80-0x7E80)
  *
  * Module dependent error code (5 bits 0x.00.-0x.F8.)
  */