diff --git a/docs/api/meta.md b/docs/api/01meta.md
similarity index 96%
rename from docs/api/meta.md
rename to docs/api/01meta.md
index 752e85fcb..803a0a9e1 100644
--- a/docs/api/meta.md
+++ b/docs/api/01meta.md
@@ -1,11 +1,12 @@
---
-title: inactive Metadata
+title: inactive Epidata Metadata
parent: Data Sources and Signals
grand_parent: Other Endpoints (COVID-19 and Other Diseases)
nav_order: 2
+permalink: api/meta.html
---
-# API Metadata
+# Epidata Metadata
This is the documentation of the API for accessing the API Metadata (`meta`) for `fluview`, `twitter`, `wiki`,
and `delphi` endpoints of the [Delphi](https://delphi.cmu.edu/)'s epidemiological data.
diff --git a/docs/api/covidcast-signals/covid-act-now.md b/docs/api/covidcast-signals/covid-act-now.md
index 204f14685..41a5cabc2 100644
--- a/docs/api/covidcast-signals/covid-act-now.md
+++ b/docs/api/covidcast-signals/covid-act-now.md
@@ -1,8 +1,8 @@
---
title: inactive COVID Act Now
parent: Data Sources and Signals
-nav_order: 2
grand_parent: Main Endpoint (COVIDcast)
+nav_order: 2
---
# COVID Act Now (CAN)
diff --git a/docs/api/covidcast-signals/fb-survey.md b/docs/api/covidcast-signals/covid-trends-and-impact-survey.md
similarity index 99%
rename from docs/api/covidcast-signals/fb-survey.md
rename to docs/api/covidcast-signals/covid-trends-and-impact-survey.md
index 6b798ec7a..147566f98 100644
--- a/docs/api/covidcast-signals/fb-survey.md
+++ b/docs/api/covidcast-signals/covid-trends-and-impact-survey.md
@@ -3,9 +3,10 @@ title: inactive COVID-19 Trends and Impact Survey
parent: Data Sources and Signals
grand_parent: Main Endpoint (COVIDcast)
nav_order: 2
+permalink: api/covidcast-signals/fb-survey.html
---
-# COVID-19 Trends and Impact Survey 2020-2022 (Facebook Survey)
+# COVID-19 Trends and Impact Survey (CTIS)
{: .no_toc}
* **Source name:** `fb-survey`
@@ -28,6 +29,8 @@ shared back to Facebook. See our [surveys
page](https://delphi.cmu.edu/covid19/ctis/) for more detail about how the
surveys work and how they are used outside the COVIDcast API.
+This survey was also known unofficially as the Facebook Survey.
+
As of November 2021, the average number of Facebook survey responses we
received each day was about 40,000. The survey ran from April 6, 2020 to June
25, 2022, collecting roughly 29.5 million responses in the United States in that
diff --git a/docs/api/covidcast-signals/dsew-cpr.md b/docs/api/covidcast-signals/dsew-cpr.md
index 9a0050924..63240e3f2 100644
--- a/docs/api/covidcast-signals/dsew-cpr.md
+++ b/docs/api/covidcast-signals/dsew-cpr.md
@@ -1,8 +1,8 @@
---
title: inactive Data Strategy and Execution Workgroup Community Profile Report
parent: Data Sources and Signals
-nav_order: 2
grand_parent: Main Endpoint (COVIDcast)
+nav_order: 2
---
# Data Strategy and Execution Workgroup Community Profile Report (CPR)
diff --git a/docs/api/covidcast-signals/ght.md b/docs/api/covidcast-signals/ght.md
index d479b9932..9b592f60e 100644
--- a/docs/api/covidcast-signals/ght.md
+++ b/docs/api/covidcast-signals/ght.md
@@ -1,8 +1,8 @@
---
-title: Google Health Trends
-parent: Inactive Signals
-nav_order: 2
+title: inactive Google Health Trends
+parent: Data Sources and Signals
grand_parent: Main Endpoint (COVIDcast)
+nav_order: 2
---
# Google Health Trends
diff --git a/docs/api/covidcast-signals/google-symptoms.md b/docs/api/covidcast-signals/google-symptoms.md
index 4b7d00efd..f856920f3 100644
--- a/docs/api/covidcast-signals/google-symptoms.md
+++ b/docs/api/covidcast-signals/google-symptoms.md
@@ -1,8 +1,8 @@
---
-title: Google Search Trends Symptoms
+title: Google Symptom Search Trends
parent: Data Sources and Signals
-nav_order: 1
grand_parent: Main Endpoint (COVIDcast)
+nav_order: 1
---
# Google Symptoms
diff --git a/docs/api/covidcast-signals/hhs.md b/docs/api/covidcast-signals/hhs.md
index 7dd2d9d04..8c8f096fd 100644
--- a/docs/api/covidcast-signals/hhs.md
+++ b/docs/api/covidcast-signals/hhs.md
@@ -1,11 +1,11 @@
---
-title: inactive Department of Health & Human Services
+title: inactive HHS/NHSN Hospitalizations
parent: Data Sources and Signals
-nav_order: 2
grand_parent: Main Endpoint (COVIDcast)
+nav_order: 2
---
-# Department of Health & Human Services
+# Department of Health & Human Services Hospitalizations
{: .no_toc}
* **Source name:** `hhs`
@@ -17,7 +17,8 @@ grand_parent: Main Endpoint (COVIDcast)
* **License:** [Public Domain US Government](https://www.usa.gov/government-works)
The U.S. Department of Health & Human Services (HHS) publishes several
-datasets on patient impact and hospital capacity. One of these
+datasets on patient impact and hospital capacity. The data is made available
+to HHS through the CDC’s National Healthcare Safety Network (NHSN). One of these
datasets is mirrored in Epidata at the following endpoint:
* [COVID-19 Hospitalization: States](../covid_hosp.md) - daily resolution, state aggregates
diff --git a/docs/api/covidcast-signals/jhu-csse.md b/docs/api/covidcast-signals/jhu-csse.md
index 03e0544bd..c9d665b5a 100644
--- a/docs/api/covidcast-signals/jhu-csse.md
+++ b/docs/api/covidcast-signals/jhu-csse.md
@@ -1,8 +1,8 @@
---
title: inactive JHU Cases and Deaths
parent: Data Sources and Signals
-nav_order: 2
grand_parent: Main Endpoint (COVIDcast)
+nav_order: 2
---
# JHU Cases and Deaths
diff --git a/docs/api/covidcast-signals/safegraph.md b/docs/api/covidcast-signals/safegraph.md
index 776dd98ed..8824c3e3e 100644
--- a/docs/api/covidcast-signals/safegraph.md
+++ b/docs/api/covidcast-signals/safegraph.md
@@ -1,8 +1,8 @@
---
title: inactive SafeGraph
parent: Data Sources and Signals
-nav_order: 2
grand_parent: Main Endpoint (COVIDcast)
+nav_order: 2
---
# SafeGraph
diff --git a/docs/api/covidcast-signals/usa-facts.md b/docs/api/covidcast-signals/usa-facts.md
index 5fc67ec1f..fe08dc911 100644
--- a/docs/api/covidcast-signals/usa-facts.md
+++ b/docs/api/covidcast-signals/usa-facts.md
@@ -1,8 +1,8 @@
---
title: inactive USAFacts Cases and Deaths
parent: Data Sources and Signals
-nav_order: 2
grand_parent: Main Endpoint (COVIDcast)
+nav_order: 2
---
# USAFacts Cases and Deaths
diff --git a/docs/api/covidcast-signals/youtube-survey.md b/docs/api/covidcast-signals/youtube-survey.md
index dcbc7b879..62b7542bf 100644
--- a/docs/api/covidcast-signals/youtube-survey.md
+++ b/docs/api/covidcast-signals/youtube-survey.md
@@ -1,8 +1,8 @@
---
title: inactive Youtube Survey
parent: Data Sources and Signals
-nav_order: 2
grand_parent: Main Endpoint (COVIDcast)
+nav_order: 2
---
[//]: # (code at https://github.com/cmu-delphi/covid-19/tree/deeb4dc1e9a30622b415361ef6b99198e77d2a94/youtube)
diff --git a/docs/api/dengue_sensors.md b/docs/api/dengue_digital_surveillance.md
similarity index 97%
rename from docs/api/dengue_sensors.md
rename to docs/api/dengue_digital_surveillance.md
index 7c86a1688..9351e7dff 100644
--- a/docs/api/dengue_sensors.md
+++ b/docs/api/dengue_digital_surveillance.md
@@ -3,6 +3,7 @@ title: inactive Dengue Digital Surveillance
parent: Data Sources and Signals
grand_parent: Other Endpoints (COVID-19 and Other Diseases)
nav_order: 2
+permalink: api/dengue_sensors.html
---
# Dengue Digital Surveillance Sensors
diff --git a/docs/api/sensors.md b/docs/api/digital_surveillance_sensors.md
similarity index 99%
rename from docs/api/sensors.md
rename to docs/api/digital_surveillance_sensors.md
index 0a2238ca5..6437d58a3 100644
--- a/docs/api/sensors.md
+++ b/docs/api/digital_surveillance_sensors.md
@@ -3,6 +3,7 @@ title: inactive Digital Surveillance Sensors
parent: Data Sources and Signals
grand_parent: Other Endpoints (COVID-19 and Other Diseases)
nav_order: 2
+permalink: api/sensors.html
---
# Digital Surveillance Sensors
diff --git a/docs/api/fluview_meta.md b/docs/api/fluview_meta.md
index e12d1f25d..0826a98ba 100644
--- a/docs/api/fluview_meta.md
+++ b/docs/api/fluview_meta.md
@@ -1,11 +1,11 @@
---
-title: FluView metadata
+title: FluView Metadata
parent: Data Sources and Signals
grand_parent: Other Endpoints (COVID-19 and Other Diseases)
nav_order: 1
---
-# FluView metadata
+# FluView Metadata
This is the API documentation for accessing the FluView metadata
(`fluview_meta`) endpoint of [Delphi](https://delphi.cmu.edu/)'s epidemiological
diff --git a/docs/api/nowcast.md b/docs/api/ili_nearby_nowcast.md
similarity index 99%
rename from docs/api/nowcast.md
rename to docs/api/ili_nearby_nowcast.md
index aa82077a0..defd13b22 100644
--- a/docs/api/nowcast.md
+++ b/docs/api/ili_nearby_nowcast.md
@@ -3,6 +3,7 @@ title: inactive ILI Nearby Nowcast
parent: Data Sources and Signals
grand_parent: Other Endpoints (COVID-19 and Other Diseases)
nav_order: 2
+permalink: api/nowcast.html
---
# ILI Nearby Nowcast
diff --git a/docs/api/meta_norostat.md b/docs/api/norostat_meta.md
similarity index 97%
rename from docs/api/meta_norostat.md
rename to docs/api/norostat_meta.md
index 1f2754eea..47b99dfd0 100644
--- a/docs/api/meta_norostat.md
+++ b/docs/api/norostat_meta.md
@@ -3,6 +3,7 @@ title: inactive NoroSTAT Metadata
parent: Data Sources and Signals
grand_parent: Other Endpoints (COVID-19 and Other Diseases)
nav_order: 2
+permalink: api/meta_norostat.html
---
# NoroSTAT Metadata