Fix some broken internal links

content/docs/api/db/expression/contents.lr

@@ -17,7 +17,7 @@ of it can create more expressive expressions.  `F.name` literally just means
 that a field by that name exists and is set to a value.
 
 The query syntax is mostly the same in Python as well as in the Jinja 2
-templates, the main difference are [and :ref](../and/) and [or :ref](../or/).
+templates, the main difference are [and :ref](and/) and [or :ref](or/).
 
 ## Example
 

content/docs/api/environment/render-template/contents.lr

@@ -14,7 +14,7 @@ method.  Here are the parameters and what they mean:
 * `name`: this is the name of the template that should be rendered.  It's
   the local filename relative to the `templates` folder and uses slashes
   for paths.
-* `pad`: when a [Pad :ref](../../pad/) is available, it should be provided
+* `pad`: when a [Pad :ref](../../db/pad/) is available, it should be provided
   so that the `site` variable can be populated.  If a context is available
   then the pad will also be pulled from the context if needed.
 * `this`: the value of the `this` variable in templates.  This should always

content/docs/api/templates/globals/get-random-id/contents.lr

@@ -10,7 +10,7 @@ body:
 
 In some situations it can be very useful to generate a unique ID in templates.
 This is particularly useful when creating templates for the [Flow
-:ref](../../../../flow/) system and you need unique IDs for the DOM.
+:ref](../../../../content/flow/) system and you need unique IDs for the DOM.
 
 ## Example
 

content/plugin-categories/templates/contents.lr

@@ -1,7 +1,7 @@
 body:
 
 #### text-block ####
-text: These plugins primarily deal with Lektor's [Templates :ref](/docs/templates/). They may add or modify [context :ref](docs/templates/#template-context), [api :ref](/docs/api/templates/), [filters :ref](/docs/api/templates/filters/), [globals :ref](/docs/api/templates/globals/), [modify images :ref](/docs/templates/imageops/), [change navigation :ref](/docs/templates/navigation/), or many other functionalities available to templates.
+text: These plugins primarily deal with Lektor's [Templates :ref](/docs/templates/). They may add or modify [context :ref](/docs/templates/#template-context), [api :ref](/docs/api/templates/), [filters :ref](/docs/api/templates/filters/), [globals :ref](/docs/api/templates/globals/), [modify images :ref](/docs/templates/imageops/), [change navigation :ref](/docs/templates/navigation/), or many other functionalities available to templates.
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 class: default
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