diff --git a/concepts/numbers/.meta/config.json b/concepts/numbers/.meta/config.json
index 8988f3def..1198ff6c3 100644
--- a/concepts/numbers/.meta/config.json
+++ b/concepts/numbers/.meta/config.json
@@ -1,6 +1,7 @@
 {
   "authors": [
-    "pwadsworth"
+    "pwadsworth",
+    "meatball133"
   ],
   "blurb": "Basics of Haskell numeric types"
 }
diff --git a/concepts/numbers/about.md b/concepts/numbers/about.md
index c1ab22320..46955b9ae 100644
--- a/concepts/numbers/about.md
+++ b/concepts/numbers/about.md
@@ -39,7 +39,7 @@ fromIntegral 1
 -- -> 1.0
 ```
 
-To convert a `Float` to an `Int`, you can use the `round`, `floor`, or `ceiling` functions.
+To convert a `Float` to an `Int`, you can use the [`round`][round], [`floor`][floor], or [`ceiling`][ceiling] functions.
 The `round` function rounds to the nearest integer, `floor` rounds down, and `ceiling` rounds up.
 
 ```haskell
@@ -139,7 +139,7 @@ This is different from normal division.
 
 ```haskell
 1 `mod` 0
-# Exception: divide by zero
+-- Exception: divide by zero
 ```
 ~~~~
 
@@ -181,3 +181,4 @@ It follows the order of parentheses(`()`), exponents(`**`), multiplication(`*`)
 [pemdas]: https://en.wikipedia.org/wiki/Order_of_operations
 [floor]: https://hackage.haskell.org/package/base/docs/Prelude.html#v:floor
 [ceiling]: https://hackage.haskell.org/package/base/docs/Prelude.html#v:ceiling
+[round]: https://hackage.haskell.org/package/base/docs/Prelude.html#v:round
diff --git a/concepts/numbers/introduction.md b/concepts/numbers/introduction.md
index 2132a9af7..46955b9ae 100644
--- a/concepts/numbers/introduction.md
+++ b/concepts/numbers/introduction.md
@@ -39,7 +39,7 @@ fromIntegral 1
 -- -> 1.0
 ```
 
-To convert a `Float` to an `Int`, you can use the `round`, `floor`, or `ceiling` functions.
+To convert a `Float` to an `Int`, you can use the [`round`][round], [`floor`][floor], or [`ceiling`][ceiling] functions.
 The `round` function rounds to the nearest integer, `floor` rounds down, and `ceiling` rounds up.
 
 ```haskell
@@ -139,7 +139,7 @@ This is different from normal division.
 
 ```haskell
 1 `mod` 0
-# Exception: divide by zero
+-- Exception: divide by zero
 ```
 ~~~~
 
@@ -179,6 +179,6 @@ It follows the order of parentheses(`()`), exponents(`**`), multiplication(`*`)
 ```
 
 [pemdas]: https://en.wikipedia.org/wiki/Order_of_operations
-[math]: https://crystal-lang.org/reference/latest/tutorials/basics/30_math.html
-[int]: https://crystal-lang.org/reference/latest/syntax_and_semantics/literals/integers.html
-[float]: https://crystal-lang.org/reference/latest/syntax_and_semantics/literals/floats.html
+[floor]: https://hackage.haskell.org/package/base/docs/Prelude.html#v:floor
+[ceiling]: https://hackage.haskell.org/package/base/docs/Prelude.html#v:ceiling
+[round]: https://hackage.haskell.org/package/base/docs/Prelude.html#v:round
diff --git a/config.json b/config.json
index 145ade90f..47fb029c0 100644
--- a/config.json
+++ b/config.json
@@ -49,9 +49,9 @@
         ]
       },
       {
-        "slug": "temperature",
-        "name": "Temperature",
-        "uuid": "6ed15adb-f022-4bbd-bbb3-22845deabc91",
+        "slug": "freelancer-rates",
+        "name": "Freelancer Rates",
+        "uuid": "85e17e39-9506-4dc8-bed6-ecc44c840cc1",
         "prerequisites": [
           "basics"
         ],
@@ -96,6 +96,18 @@
         "concepts": [
           "algebraic-data-types"
         ]
+      },
+      {
+        "slug": "temperature",
+        "name": "Temperature",
+        "uuid": "6ed15adb-f022-4bbd-bbb3-22845deabc91",
+        "prerequisites": [
+          "basics"
+        ],
+        "status": "deprecated",
+        "concepts": [
+          "numbers"
+        ]
       }
     ],
     "practice": [
diff --git a/exercises/concept/freelancer-rates/.docs/instructions.md b/exercises/concept/freelancer-rates/.docs/instructions.md
index 0ead523eb..6bd3ed73d 100644
--- a/exercises/concept/freelancer-rates/.docs/instructions.md
+++ b/exercises/concept/freelancer-rates/.docs/instructions.md
@@ -40,7 +40,7 @@ Implement a function to calculate the monthly rate, and apply a discount:
 
 ```haskell
 monthlyRate 77 10.5
-# => 12130
+-- -> 12130
 ```
 
 The returned monthly rate should be rounded up (take the ceiling) to the nearest integer.
diff --git a/exercises/concept/freelancer-rates/.docs/introduction.md b/exercises/concept/freelancer-rates/.docs/introduction.md
index 2132a9af7..46955b9ae 100644
--- a/exercises/concept/freelancer-rates/.docs/introduction.md
+++ b/exercises/concept/freelancer-rates/.docs/introduction.md
@@ -39,7 +39,7 @@ fromIntegral 1
 -- -> 1.0
 ```
 
-To convert a `Float` to an `Int`, you can use the `round`, `floor`, or `ceiling` functions.
+To convert a `Float` to an `Int`, you can use the [`round`][round], [`floor`][floor], or [`ceiling`][ceiling] functions.
 The `round` function rounds to the nearest integer, `floor` rounds down, and `ceiling` rounds up.
 
 ```haskell
@@ -139,7 +139,7 @@ This is different from normal division.
 
 ```haskell
 1 `mod` 0
-# Exception: divide by zero
+-- Exception: divide by zero
 ```
 ~~~~
 
@@ -179,6 +179,6 @@ It follows the order of parentheses(`()`), exponents(`**`), multiplication(`*`)
 ```
 
 [pemdas]: https://en.wikipedia.org/wiki/Order_of_operations
-[math]: https://crystal-lang.org/reference/latest/tutorials/basics/30_math.html
-[int]: https://crystal-lang.org/reference/latest/syntax_and_semantics/literals/integers.html
-[float]: https://crystal-lang.org/reference/latest/syntax_and_semantics/literals/floats.html
+[floor]: https://hackage.haskell.org/package/base/docs/Prelude.html#v:floor
+[ceiling]: https://hackage.haskell.org/package/base/docs/Prelude.html#v:ceiling
+[round]: https://hackage.haskell.org/package/base/docs/Prelude.html#v:round