diff --git a/SUMMARY.md b/SUMMARY.md
index b56f044b..c5735e1b 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -48,6 +48,7 @@
   * [Map](operators/map.md)
   * [Modulo](operators/modulo.md)
   * [Multiply (Merge)](operators/multiply-merge.md)
+  * [Omit](operators/omit.md)
   * [Parent](operators/parent.md)
   * [Path](operators/path.md)
   * [Pick](operators/pick.md)
diff --git a/operators/multiply-merge.md b/operators/multiply-merge.md
index 963a1f30..368d91fa 100644
--- a/operators/multiply-merge.md
+++ b/operators/multiply-merge.md
@@ -55,6 +55,62 @@ a: 12
 b: 4
 ```
 
+## Multiply string node X int
+Given a sample.yml file of:
+```yaml
+b: banana
+```
+then
+```bash
+yq '.b * 4' sample.yml
+```
+will output
+```yaml
+bananabananabananabanana
+```
+
+## Multiply int X string node
+Given a sample.yml file of:
+```yaml
+b: banana
+```
+then
+```bash
+yq '4 * .b' sample.yml
+```
+will output
+```yaml
+bananabananabananabanana
+```
+
+## Multiply string X int node
+Given a sample.yml file of:
+```yaml
+n: 4
+```
+then
+```bash
+yq '"banana" * .n' sample.yml
+```
+will output
+```yaml
+bananabananabananabanana
+```
+
+## Multiply int node X string
+Given a sample.yml file of:
+```yaml
+n: 4
+```
+then
+```bash
+yq '.n * "banana"' sample.yml
+```
+will output
+```yaml
+bananabananabananabanana
+```
+
 ## Merge objects together, returning merged result only
 Given a sample.yml file of:
 ```yaml
diff --git a/operators/omit.md b/operators/omit.md
new file mode 100644
index 00000000..56a7f70d
--- /dev/null
+++ b/operators/omit.md
@@ -0,0 +1,44 @@
+# Omit
+
+Works like `pick`, but instead you specify the keys/indices that you _don't_ want included.
+
+## Omit keys from map
+Note that non existent keys are skipped.
+
+Given a sample.yml file of:
+```yaml
+myMap:
+  cat: meow
+  dog: bark
+  thing: hamster
+  hamster: squeak
+```
+then
+```bash
+yq '.myMap |= omit(["hamster", "cat", "goat"])' sample.yml
+```
+will output
+```yaml
+myMap:
+  dog: bark
+  thing: hamster
+```
+
+## Omit indices from array
+Note that non existent indices are skipped.
+
+Given a sample.yml file of:
+```yaml
+- cat
+- leopard
+- lion
+```
+then
+```bash
+yq 'omit([2, 0, 734, -5])' sample.yml
+```
+will output
+```yaml
+- leopard
+```
+
diff --git a/operators/parent.md b/operators/parent.md
index 0ef18d55..9bdc6822 100644
--- a/operators/parent.md
+++ b/operators/parent.md
@@ -37,6 +37,43 @@ fruit: banana
 name: sam
 ```
 
+## N-th parent
+You can optionally supply the number of levels to go up for the parent, the default being 1.
+
+Given a sample.yml file of:
+```yaml
+a:
+  b:
+    c: cat
+```
+then
+```bash
+yq '.a.b.c | parent(2)' sample.yml
+```
+will output
+```yaml
+b:
+  c: cat
+```
+
+## N-th parent - another level
+Given a sample.yml file of:
+```yaml
+a:
+  b:
+    c: cat
+```
+then
+```bash
+yq '.a.b.c | parent(3)' sample.yml
+```
+will output
+```yaml
+a:
+  b:
+    c: cat
+```
+
 ## No parent
 Given a sample.yml file of:
 ```yaml
diff --git a/operators/string-operators.md b/operators/string-operators.md
index 6aa854bc..e76c8860 100644
--- a/operators/string-operators.md
+++ b/operators/string-operators.md
@@ -56,6 +56,40 @@ IFS= read -rd '' output < <(cat my_file)
 output=$output ./yq '.data.values = strenv(output)' first.yml
 ```
 
+## Interpolation
+Given a sample.yml file of:
+```yaml
+value: things
+another: stuff
+```
+then
+```bash
+yq '.message = "I like \(.value) and \(.another)"' sample.yml
+```
+will output
+```yaml
+value: things
+another: stuff
+message: I like things and stuff
+```
+
+## Interpolation - not a string
+Given a sample.yml file of:
+```yaml
+value:
+  an: apple
+```
+then
+```bash
+yq '.message = "I like \(.value)"' sample.yml
+```
+will output
+```yaml
+value:
+  an: apple
+message: 'I like an: apple'
+```
+
 ## To up (upper) case
 Works with unicode characters
 
@@ -383,3 +417,32 @@ will output
 - word
 ```
 
+## To string
+Note that you may want to force `yq` to leave scalar values wrapped by passing in `--unwrapScalar=false` or `-r=f`
+
+Given a sample.yml file of:
+```yaml
+- 1
+- true
+- null
+- ~
+- cat
+- an: object
+- - array
+  - 2
+```
+then
+```bash
+yq '.[] |= to_string' sample.yml
+```
+will output
+```yaml
+- "1"
+- "true"
+- "null"
+- "~"
+- cat
+- "an: object"
+- "- array\n- 2"
+```
+