diff --git a/.all-contributorsrc b/.all-contributorsrc
index ac074d39..b5f81cee 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -2244,6 +2244,24 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "alexfertel",
+      "name": "Alexander González",
+      "avatar_url": "https://avatars.githubusercontent.com/u/22298999?v=4",
+      "profile": "https://alexfertel.me",
+      "contributions": [
+        "content"
+      ]
+    },
+    {
+      "login": "softarn",
+      "name": "Marcus Höjvall",
+      "avatar_url": "https://avatars.githubusercontent.com/u/517619?v=4",
+      "profile": "https://github.com/softarn",
+      "contributions": [
+        "content"
+      ]
     }
   ],
   "contributorsPerLine": 8,
diff --git a/AUTHORS.md b/AUTHORS.md
index 04ef1fc6..250e0929 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -317,6 +317,8 @@ authors.
       <td align="center" valign="top" width="12.5%"><a href="https://github.com/vnprc"><img src="https://avatars.githubusercontent.com/u/9425366?v=4?s=100" width="100px;" alt="vnprc"/><br /><sub><b>vnprc</b></sub></a><br /><a href="#content-vnprc" title="Content">🖋</a></td>
       <td align="center" valign="top" width="12.5%"><a href="http://androecia.net"><img src="https://avatars.githubusercontent.com/u/61999256?v=4?s=100" width="100px;" alt="Joshua Carlson"/><br /><sub><b>Joshua Carlson</b></sub></a><br /><a href="#content-jrcarl624" title="Content">🖋</a></td>
       <td align="center" valign="top" width="12.5%"><a href="https://johndesilencio.me"><img src="https://avatars.githubusercontent.com/u/20136554?v=4?s=100" width="100px;" alt="Nicholas R. Smith"/><br /><sub><b>Nicholas R. Smith</b></sub></a><br /><a href="https://github.com/rust-lang/rustlings/commits?author=johnDeSilencio" title="Code">💻</a></td>
+      <td align="center" valign="top" width="12.5%"><a href="https://alexfertel.me"><img src="https://avatars.githubusercontent.com/u/22298999?v=4?s=100" width="100px;" alt="Alexander González"/><br /><sub><b>Alexander González</b></sub></a><br /><a href="#content-alexfertel" title="Content">🖋</a></td>
+      <td align="center" valign="top" width="12.5%"><a href="https://github.com/softarn"><img src="https://avatars.githubusercontent.com/u/517619?v=4?s=100" width="100px;" alt="Marcus Höjvall"/><br /><sub><b>Marcus Höjvall</b></sub></a><br /><a href="#content-softarn" title="Content">🖋</a></td>
     </tr>
   </tbody>
 </table>
diff --git a/exercises/error_handling/errors4.rs b/exercises/error_handling/errors4.rs
index e04bff77..d6d6fcb6 100644
--- a/exercises/error_handling/errors4.rs
+++ b/exercises/error_handling/errors4.rs
@@ -16,7 +16,7 @@ enum CreationError {
 
 impl PositiveNonzeroInteger {
     fn new(value: i64) -> Result<PositiveNonzeroInteger, CreationError> {
-        // Hmm...? Why is this only returning an Ok value?
+        // Hmm... Why is this always returning an Ok value?
         Ok(PositiveNonzeroInteger(value as u64))
     }
 }
diff --git a/exercises/quiz1.rs b/exercises/quiz1.rs
index b355bc56..1956e4be 100644
--- a/exercises/quiz1.rs
+++ b/exercises/quiz1.rs
@@ -9,7 +9,7 @@
 // - An apple costs 2 rustbucks.
 // - If Mary buys more than 40 apples, each apple only costs 1 rustbuck!
 // Write a function that calculates the price of an order of apples given the
-// quantity bought. No hints this time!
+// quantity bought.
 //
 // No hints this time ;)