update HTTP URLs to HTTPS

3 files changed, 6 insertions, 6 deletions

diff --git a/docs/README.md b/docs/README.md
index e7d6d682..b8e3b50b 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,4 +1,4 @@
-**SMAPI** is an open-source modding API for [Stardew Valley](http://stardewvalley.net/) that lets
+**SMAPI** is an open-source modding API for [Stardew Valley](https://stardewvalley.net/) that lets
 you play the game with mods. It's safely installed alongside the game's executable, and doesn't
 change any of your game files. It serves eight main purposes:
 
diff --git a/docs/release-notes.md b/docs/release-notes.md
index 8a15a4d2..6c2879df 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -666,7 +666,7 @@ For mod developers:
 * The SMAPI log now always uses `\r\n` line endings to simplify crossplatform viewing.
 * Fixed `SaveEvents.AfterLoad` being raised during the new-game intro before the player is initialised.
 * Fixed SMAPI not recognising `Mod` instances that don't subclass `Mod` directly.
-* Several obsolete APIs have been removed (see [deprecation guide](http://canimod.com/guides/updating-a-smapi-mod)),
+* Several obsolete APIs have been removed (see [migration guides](https://stardewvalleywiki.com/Modding:Index#Migration_guides)),
   and all _notice_-level deprecations have been increased to _info_.
 * Removed the experimental `IConfigFile`.
 
@@ -749,7 +749,7 @@ For players:
 
 For developers:
   * Deprecated `Version` in favour of `SemanticVersion`.  
-    _This new implementation is [semver 2.0](http://semver.org/)-compliant, introduces `NewerThan(version)` and `OlderThan(version)` convenience methods, adds support for parsing a version string into a `SemanticVersion`, and fixes various bugs with the former implementation. This also replaces `Manifest` with `IManifest`._
+    _This new implementation is [semver 2.0](https://semver.org/)-compliant, introduces `NewerThan(version)` and `OlderThan(version)` convenience methods, adds support for parsing a version string into a `SemanticVersion`, and fixes various bugs with the former implementation. This also replaces `Manifest` with `IManifest`._
   * Increased deprecation levels for `SObject`, `Extensions`, `LogWriter` (not `Log`), `SPlayer`, and `Mod.Entry(ModHelper)` (not `Mod.Entry(IModHelper)`).
 
 ## 1.4
@@ -828,7 +828,7 @@ For mod developers:
   * Added OS version to log.
   * Added zoom-adjusted mouse position to mouse-changed event arguments.
   * Added SMAPI code documentation.
-  * Switched to [semantic versioning](http://semver.org).
+  * Switched to [semantic versioning](https://semver.org).
   * Fixed mod versions not shown correctly in the log.
   * Fixed misspelled field in `manifest.json` schema.
   * Fixed some events getting wrong data.
diff --git a/docs/technical-docs.md b/docs/technical-docs.md
index be809c3f..08590cba 100644
--- a/docs/technical-docs.md
+++ b/docs/technical-docs.md
@@ -29,7 +29,7 @@ Using an official SMAPI release is recommended for most users.
 
 SMAPI uses some C# 7 code, so you'll need at least
 [Visual Studio 2017](https://www.visualstudio.com/vs/community/) on Windows,
-[MonoDevelop 7.0](http://www.monodevelop.com/) on Linux,
+[MonoDevelop 7.0](https://www.monodevelop.com/) on Linux,
 [Visual Studio 2017 for Mac](https://www.visualstudio.com/vs/visual-studio-mac/), or an equivalent
 IDE to compile it. It uses build configuration derived from the
 [crossplatform mod config](https://github.com/Pathoschild/Stardew.ModBuildConfig#readme) to detect
@@ -48,7 +48,7 @@ To prepare a crossplatform SMAPI release, you'll need to compile it on two platf
 on the wiki for the first-time setup.
 
 1. Update the version number in `GlobalAssemblyInfo.cs` and `Constants::Version`. Make sure you use a
-   [semantic version](http://semver.org). Recommended format:
+   [semantic version](https://semver.org). Recommended format:
 
    build type | format                   | example
    :--------- | :----------------------- | :------