try updating add

operators/add.md

@@ -1,7 +1,6 @@
 # Add
 
 Add behaves differently according to the type of the LHS:
-
 * arrays: concatenate
 * number scalars: arithmetic addition
 * string scalars: concatenate
@@ -9,9 +8,7 @@ Add behaves differently according to the type of the LHS:
 Use `+=` as append assign for things like increment. Note that `.a += .x` is equivalent to running `.a = .a + .x`.
 
 ## Concatenate and assign arrays
-
 Given a sample.yml file of:
-
 ```yaml
 a:
   val: thing
@@ -19,15 +16,11 @@ a:
     - cat
     - dog
 ```
-
 then
-
 ```bash
 yq eval '.a.b += ["cow"]' sample.yml
 ```
-
 will output
-
 ```yaml
 a:
   val: thing
@@ -38,9 +31,7 @@ a:
 ```
 
 ## Concatenate arrays
-
 Given a sample.yml file of:
-
 ```yaml
 a:
   - 1
@@ -49,15 +40,11 @@ b:
   - 3
   - 4
 ```
-
 then
-
 ```bash
 yq eval '.a + .b' sample.yml
 ```
-
 will output
-
 ```yaml
 - 1
 - 2
@@ -66,68 +53,50 @@ will output
 ```
 
 ## Concatenate null to array
-
 Given a sample.yml file of:
-
 ```yaml
 a:
   - 1
   - 2
 ```
-
 then
-
 ```bash
 yq eval '.a + null' sample.yml
 ```
-
 will output
-
 ```yaml
 - 1
 - 2
 ```
 
 ## Add new object to array
-
 Given a sample.yml file of:
-
 ```yaml
 a:
   - dog: woof
 ```
-
 then
-
 ```bash
 yq eval '.a + {"cat": "meow"}' sample.yml
 ```
-
 will output
-
 ```yaml
 - dog: woof
 - cat: meow
 ```
 
 ## Add string to array
-
 Given a sample.yml file of:
-
 ```yaml
 a:
   - 1
   - 2
 ```
-
 then
-
 ```bash
 yq eval '.a + "hello"' sample.yml
 ```
-
 will output
-
 ```yaml
 - 1
 - 2
@@ -135,9 +104,7 @@ will output
 ```
 
 ## Append to array
-
 Given a sample.yml file of:
-
 ```yaml
 a:
   - 1
@@ -146,15 +113,11 @@ b:
   - 3
   - 4
 ```
-
 then
-
 ```bash
 yq eval '.a = .a + .b' sample.yml
 ```
-
 will output
-
 ```yaml
 a:
   - 1
@@ -167,9 +130,7 @@ b:
 ```
 
 ## Append another array using +=
-
 Given a sample.yml file of:
-
 ```yaml
 a:
   - 1
@@ -178,15 +139,11 @@ b:
   - 3
   - 4
 ```
-
 then
-
 ```bash
 yq eval '.a += .b' sample.yml
 ```
-
 will output
-
 ```yaml
 a:
   - 1
@@ -199,9 +156,7 @@ b:
 ```
 
 ## Relative append
-
 Given a sample.yml file of:
-
 ```yaml
 a:
   a1:
@@ -212,15 +167,11 @@ a:
       - dog
   a3: {}
 ```
-
 then
-
 ```bash
 yq eval '.a[].b += ["mouse"]' sample.yml
 ```
-
 will output
-
 ```yaml
 a:
   a1:
@@ -235,109 +186,82 @@ a:
 ```
 
 ## String concatenation
-
 Given a sample.yml file of:
-
 ```yaml
 a: cat
 b: meow
 ```
-
 then
-
 ```bash
 yq eval '.a = .a + .b' sample.yml
 ```
-
 will output
-
 ```yaml
 a: catmeow
 b: meow
 ```
 
 ## Number addition - float
-
 If the lhs or rhs are floats then the expression will be calculated with floats.
 
 Given a sample.yml file of:
-
 ```yaml
 a: 3
 b: 4.9
 ```
-
 then
-
 ```bash
 yq eval '.a = .a + .b' sample.yml
 ```
-
 will output
-
 ```yaml
 a: 7.9
 b: 4.9
 ```
 
 ## Number addition - int
-
 If both the lhs and rhs are ints then the expression will be calculated with ints.
 
 Given a sample.yml file of:
-
 ```yaml
 a: 3
 b: 4
 ```
-
 then
-
 ```bash
 yq eval '.a = .a + .b' sample.yml
 ```
-
 will output
-
 ```yaml
 a: 7
 b: 4
 ```
 
 ## Increment numbers
-
 Given a sample.yml file of:
-
 ```yaml
 a: 3
 b: 5
 ```
-
 then
-
 ```bash
 yq eval '.[] += 1' sample.yml
 ```
-
 will output
-
 ```yaml
 a: 4
 b: 6
 ```
 
 ## Add to null
-
 Adding to null simply returns the rhs
 
 Running
-
 ```bash
 yq eval --null-input 'null + "cat"'
 ```
-
 will output
-
 ```yaml
 cat
 ```
+