[data] Update spec info

Author: fetch-info bot

Diff for: index.json

@@ -209,9 +209,9 @@
       "sourcePath": "css-animations-2/Overview.bs",
       "filename": "Overview.html"
     },
-    "title": "Index of css-animations-2/",
+    "title": "CSS Animations Level 2",
     "source": "spec",
-    "shortTitle": "Index of css-animations-2/",
+    "shortTitle": "CSS Animations 2",
     "tests": {
       "repository": "https://github.com/web-platform-tests/wpt",
       "testPaths": [
@@ -277,9 +277,9 @@
       "sourcePath": "css-env-1/Overview.bs",
       "filename": "Overview.html"
     },
-    "title": "Index of css-env-1/",
+    "title": "CSS Environment Variables Module Level 1",
     "source": "spec",
-    "shortTitle": "Index of css-env-1/",
+    "shortTitle": "CSS Environment Variables 1",
     "tests": {
       "repository": "https://github.com/web-platform-tests/wpt",
       "testPaths": [
@@ -310,9 +310,9 @@
       "sourcePath": "css-extensions-1/Overview.bs",
       "filename": "Overview.html"
     },
-    "title": "Index of css-extensions-1/",
+    "title": "CSS Extensions",
     "source": "spec",
-    "shortTitle": "Index of css-extensions-1/"
+    "shortTitle": "CSS Extensions"
   },
   {
     "url": "https://drafts.csswg.org/css-gcpm-4/",
@@ -340,7 +340,7 @@
       "sourcePath": "css-gcpm-4/Overview.bs",
       "filename": "Overview.html"
     },
-    "title": "Index of css-gcpm-4/",
+    "title": "CSS Generated Content for Paged Media Module Level 4",
     "source": "spec",
     "tests": {
       "repository": "https://github.com/web-platform-tests/wpt",
@@ -374,9 +374,9 @@
       "sourcePath": "css-grid-3/Overview.bs",
       "filename": "Overview.html"
     },
-    "title": "Index of css-grid-3/",
+    "title": "CSS Grid Layout Module Level 3",
     "source": "spec",
-    "shortTitle": "Index of css-grid-3/",
+    "shortTitle": "CSS Grid Layout 3",
     "tests": {
       "repository": "https://github.com/web-platform-tests/wpt",
       "testPaths": [
@@ -410,7 +410,7 @@
       "sourcePath": "css-multicol-2/Overview.bs",
       "filename": "Overview.html"
     },
-    "title": "Index of css-multicol-2/",
+    "title": "CSS Multi-column Layout Module Level 2",
     "source": "spec",
     "tests": {
       "repository": "https://github.com/web-platform-tests/wpt",
@@ -479,9 +479,9 @@
       "sourcePath": "css-shapes-2/Overview.bs",
       "filename": "Overview.html"
     },
-    "title": "Index of css-shapes-2/",
+    "title": "CSS Shapes Module Level 2",
     "source": "spec",
-    "shortTitle": "Index of css-shapes-2/",
+    "shortTitle": "CSS Shapes 2",
     "tests": {
       "repository": "https://github.com/web-platform-tests/wpt",
       "testPaths": [
@@ -513,7 +513,7 @@
       "sourcePath": "css-size-adjust-1/Overview.bs",
       "filename": "Overview.html"
     },
-    "title": "Index of css-size-adjust-1/",
+    "title": "CSS Mobile Text Size Adjustment Module Level 1",
     "source": "spec",
     "tests": {
       "repository": "https://github.com/web-platform-tests/wpt",
@@ -547,9 +547,9 @@
       "sourcePath": "css-transitions-2/Overview.bs",
       "filename": "Overview.html"
     },
-    "title": "Index of css-transitions-2/",
+    "title": "CSS Transitions Level 2",
     "source": "spec",
-    "shortTitle": "Index of css-transitions-2/",
+    "shortTitle": "CSS Transitions 2",
     "tests": {
       "repository": "https://github.com/web-platform-tests/wpt",
       "testPaths": [
@@ -583,7 +583,7 @@
       "sourcePath": "css-values-5/Overview.bs",
       "filename": "Overview.html"
     },
-    "title": "Index of css-values-5/",
+    "title": "CSS Values and Units Module Level 5",
     "source": "spec",
     "tests": {
       "repository": "https://github.com/web-platform-tests/wpt",
@@ -615,9 +615,9 @@
       "sourcePath": "scroll-animations-1/Overview.bs",
       "filename": "Overview.html"
     },
-    "title": "Index of scroll-animations-1/",
+    "title": "Scroll-linked Animations",
     "source": "spec",
-    "shortTitle": "Index of scroll-animations-1/",
+    "shortTitle": "Scroll-linked Animations",
     "tests": {
       "repository": "https://github.com/web-platform-tests/wpt",
       "testPaths": [
@@ -650,9 +650,9 @@
       "sourcePath": "web-animations-2/Overview.bs",
       "filename": "Overview.html"
     },
-    "title": "Index of web-animations-2/",
+    "title": "Web Animations Level 2",
     "source": "spec",
-    "shortTitle": "Index of web-animations-2/",
+    "shortTitle": "Web Animations 2",
     "tests": {
       "repository": "https://github.com/web-platform-tests/wpt",
       "testPaths": [