diff --git a/.all-contributorsrc b/.all-contributorsrc
index d18743c2..d7c7d465 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -1002,6 +1002,33 @@
       "contributions": [
         "content"
       ]
+    },
+    {
+      "login": "EmisonLu",
+      "name": "Zhenghao Lu",
+      "avatar_url": "https://avatars.githubusercontent.com/u/54395432?v=4",
+      "profile": "https://github.com/EmisonLu",
+      "contributions": [
+        "content"
+      ]
+    },
+    {
+      "login": "fredr",
+      "name": "Fredrik Enestad",
+      "avatar_url": "https://avatars.githubusercontent.com/u/762956?v=4",
+      "profile": "https://soundtrackyourbrand.com",
+      "contributions": [
+        "content"
+      ]
+    },
+    {
+      "login": "xuesongbj",
+      "name": "xuesong",
+      "avatar_url": "https://avatars.githubusercontent.com/u/18476085?v=4",
+      "profile": "http://xuesong.pydevops.com",
+      "contributions": [
+        "content"
+      ]
     }
   ],
   "contributorsPerLine": 8,
diff --git a/README.md b/README.md
index 18e0b73a..a3ef758d 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-108-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-111-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 # rustlings 🦀❤️
@@ -312,6 +312,9 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/Millione"><img src="https://avatars.githubusercontent.com/u/38575932?v=4?s=100" width="100px;" alt=""/><br /><sub><b>LIU JIE</b></sub></a><br /><a href="#content-Millione" title="Content">🖋</a></td>
     <td align="center"><a href="https://github.com/abusch"><img src="https://avatars.githubusercontent.com/u/506344?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Antoine Büsch</b></sub></a><br /><a href="https://github.com/rust-lang/rustlings/commits?author=abusch" title="Code">💻</a></td>
     <td align="center"><a href="https://frogtd.com/"><img src="https://avatars.githubusercontent.com/u/31412003?v=4?s=100" width="100px;" alt=""/><br /><sub><b>frogtd</b></sub></a><br /><a href="#content-frogtd" title="Content">🖋</a></td>
+    <td align="center"><a href="https://github.com/EmisonLu"><img src="https://avatars.githubusercontent.com/u/54395432?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Zhenghao Lu</b></sub></a><br /><a href="#content-EmisonLu" title="Content">🖋</a></td>
+    <td align="center"><a href="https://soundtrackyourbrand.com"><img src="https://avatars.githubusercontent.com/u/762956?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Fredrik Enestad</b></sub></a><br /><a href="#content-fredr" title="Content">🖋</a></td>
+    <td align="center"><a href="http://xuesong.pydevops.com"><img src="https://avatars.githubusercontent.com/u/18476085?v=4?s=100" width="100px;" alt=""/><br /><sub><b>xuesong</b></sub></a><br /><a href="#content-xuesongbj" title="Content">🖋</a></td>
   </tr>
 </table>
 
diff --git a/exercises/move_semantics/move_semantics5.rs b/exercises/move_semantics/move_semantics5.rs
index b784d22b..409e5337 100644
--- a/exercises/move_semantics/move_semantics5.rs
+++ b/exercises/move_semantics/move_semantics5.rs
@@ -1,5 +1,5 @@
 // move_semantics5.rs
-// Make me compile only be reordering the lines in `main()`, but without
+// Make me compile only by reordering the lines in `main()`, but without
 // adding, changing or removing any of them.
 // Execute `rustlings hint move_semantics5` for hints :)
 
diff --git a/exercises/structs/structs3.rs b/exercises/structs/structs3.rs
index abdff3ab..86560825 100644
--- a/exercises/structs/structs3.rs
+++ b/exercises/structs/structs3.rs
@@ -16,11 +16,11 @@ impl Package {
         if weight_in_grams <= 0 {
             panic!("weight_in_grams must larger than 0!");
         } else {
-            return Package {
+            Package {
                 sender_country,
                 recipient_country,
                 weight_in_grams,
-            };
+            }
         }
     }
 
diff --git a/exercises/traits/traits1.rs b/exercises/traits/traits1.rs
index 08db9950..14f2528c 100644
--- a/exercises/traits/traits1.rs
+++ b/exercises/traits/traits1.rs
@@ -29,12 +29,12 @@ mod tests {
     use super::*;
 
     #[test]
-    fn is_FooBar() {
+    fn is_foo_bar() {
         assert_eq!(String::from("Foo").append_bar(), String::from("FooBar"));
     }
 
     #[test]
-    fn is_BarBar() {
+    fn is_bar_bar() {
         assert_eq!(
             String::from("").append_bar().append_bar(),
             String::from("BarBar")
diff --git a/info.toml b/info.toml
index 21406630..5eece6d7 100644
--- a/info.toml
+++ b/info.toml
@@ -364,7 +364,7 @@ mode = "compile"
 hint = """
 The delicious_snacks module is trying to present an external interface that is 
 different than its internal structure (the `fruits` and `veggies` modules and
-associated constants). Complete the `use` statemants to fit the uses in main and
+associated constants). Complete the `use` statements to fit the uses in main and
 find the one keyword missing for both constants."""
 
 [[exercises]]