diff --git a/docs/immutable_append_only_data_structure.md b/docs/immutable_append_only_data_structure.md
index ce7c035..57bbbad 100644
--- a/docs/immutable_append_only_data_structure.md
+++ b/docs/immutable_append_only_data_structure.md
@@ -207,4 +207,3 @@ Every time a fresh tiny file is created, a background process is started to chec
 So that files sort in the correct order, we name them in base 36, with a suffix indicating whether they are the fixed length index records, or the variable sized records that the fixed length records point into.
 
 Although we should make the files friendly for conventional backup for the sake of cold storage, we cannot rely on conventional backup mechanisms, because we have to always have to have very latest state securely backed up before committing it into the blockchain.  Which is best done by having a set of remote Sqlite files.
-
diff --git a/docs/libraries/unobvious_cpp.md b/docs/libraries/unobvious_cpp.md
index f512195..d38158e 100644
--- a/docs/libraries/unobvious_cpp.md
+++ b/docs/libraries/unobvious_cpp.md
@@ -212,7 +212,17 @@ copy and intended assignment.
 
 ## delegating constructors
 
-calling one constructior from another.
+calling one constructor from another.
+
+```C++
+example::example(... arguments ...):
+	example(...different arguments ...)
+	{
+		...
+		code
+		...
+	};
+```