Add a few back quotes in docs

Author: sbidoul

docs/html/reference/inspect-report.md

@@ -23,7 +23,7 @@ The report is a JSON object with the following properties:
 
 - `pip_version`: a string with the version of pip used to produce the report.
 
-- `installed`: an array of [InspectReportItem](InspectReportItem) representing the
+- `installed`: an array of [`InspectReportItem`](InspectReportItem) representing the
   distribution packages that are installed.
 
 - `environment`: an object describing the environment where the installation report was
@@ -53,7 +53,7 @@ the following properties:
   using the [direct URL data
   structure](https://packaging.python.org/en/latest/specifications/direct-url-data-structure/).
   In most case, this field corresponds to the
-  [direct_url.json](https://packaging.python.org/en/latest/specifications/direct-url)
+  [`direct_url.json`](https://packaging.python.org/en/latest/specifications/direct-url)
   metadata, except for legacy editable installs, where it is emulated.
 
 - `requested`: `true` if the `REQUESTED` metadata is present, `false` otherwise. This

docs/html/reference/installation-report.md

@@ -36,7 +36,7 @@ The report is a JSON object with the following properties:
 
 - `pip_version`: a string with the version of pip used to produce the report.
 
-- `install`: an array of [InstallationReportItem](InstallationReportItem) representing
+- `install`: an array of [`InstallationReportItem`](InstallationReportItem) representing
   the distribution packages (to be) installed.
 
 - `environment`: an object describing the environment where the installation report was
@@ -61,7 +61,7 @@ package with the following properties:
   using the [direct URL data
   structure](https://packaging.python.org/en/latest/specifications/direct-url-data-structure/).
   When `is_direct` is `true`, this field is the same as the
-  [direct_url.json](https://packaging.python.org/en/latest/specifications/direct-url)
+  [`direct_url.json`](https://packaging.python.org/en/latest/specifications/direct-url)
   metadata, otherwise it represents the URL of the artifact obtained from the index or
   `--find-links`.