diff --git a/1.HelloWorld/1-Comments.rs b/1.HelloWorld/1Comments.rs
similarity index 100%
rename from 1.HelloWorld/1-Comments.rs
rename to 1.HelloWorld/1Comments.rs
diff --git a/1.HelloWorld/2-1-Debugging.rs b/1.HelloWorld/2.FormattedPrint/1Debugging.rs
similarity index 100%
rename from 1.HelloWorld/2-1-Debugging.rs
rename to 1.HelloWorld/2.FormattedPrint/1Debugging.rs
diff --git a/1.HelloWorld/2-2-1-Testcase-List.rs b/1.HelloWorld/2.FormattedPrint/2-1-Testcase-List.rs
similarity index 100%
rename from 1.HelloWorld/2-2-1-Testcase-List.rs
rename to 1.HelloWorld/2.FormattedPrint/2-1-Testcase-List.rs
diff --git a/1.HelloWorld/2-2-0-Display.rs b/1.HelloWorld/2.FormattedPrint/2Display.rs
similarity index 100%
rename from 1.HelloWorld/2-2-0-Display.rs
rename to 1.HelloWorld/2.FormattedPrint/2Display.rs
diff --git a/1.HelloWorld/2-3-Formatting.rs b/1.HelloWorld/2.FormattedPrint/3Formatting.rs
similarity index 100%
rename from 1.HelloWorld/2-3-Formatting.rs
rename to 1.HelloWorld/2.FormattedPrint/3Formatting.rs
diff --git a/1.HelloWorld/2-0-FormattedPrint.rs b/1.HelloWorld/2FormattedPrint.rs
similarity index 100%
rename from 1.HelloWorld/2-0-FormattedPrint.rs
rename to 1.HelloWorld/2FormattedPrint.rs
diff --git a/2.Primitives/1-LiteralsAndOperators.rs b/2.Primitives/1LiteralsAndOperators.rs
similarity index 100%
rename from 2.Primitives/1-LiteralsAndOperators.rs
rename to 2.Primitives/1LiteralsAndOperators.rs
diff --git a/2.Primitives/2-Tuples.rs b/2.Primitives/2Tuples.rs
similarity index 100%
rename from 2.Primitives/2-Tuples.rs
rename to 2.Primitives/2Tuples.rs
diff --git a/2.Primitives/3-ArraysAndSlices.rs b/2.Primitives/3ArraysAndSlices.rs
similarity index 100%
rename from 2.Primitives/3-ArraysAndSlices.rs
rename to 2.Primitives/3ArraysAndSlices.rs