docs: no double hyphen used as a dash

The home page's methodology list and a few comments wrote ' -- ' where a colon or parentheses belong.

scripts/common.py

@@ -2205,7 +2205,7 @@ def resolve_platform_cores(
     Resolution strategies (by priority):
     1. cores: "all_libretro" -- all profiles with libretro in type
     2. cores: [list] -- profiles whose dict key matches a core name
-    3. cores: absent -- fallback to systems intersection
+    3. cores: absent, fallback to systems intersection
 
     Alias profiles are always excluded (they point to another profile).
     If target_cores is provided, result is intersected with it.

scripts/generate_site.py

@@ -361,7 +361,7 @@ def generate_home(
             ]
         )
 
-    # Quick start (collapsible -- secondary info)
+    # Quick start, collapsed: secondary information
     lines.extend(
         [
             "",
@@ -398,11 +398,11 @@ def generate_home(
             "Documentation and metadata can drift from actual runtime behavior, "
             "so the source is the primary reference.",
             "",
-            "    1. **Upstream emulator source** -- what the original project "
+            "    1. **Upstream emulator source**: what the original project "
             "loads (Dolphin, PCSX2, Mednafen...)",
-            "    2. **Libretro core source** -- the RetroArch port, which may "
+            "    2. **Libretro core source**: the RetroArch port, which may "
             "adapt paths or add files",
-            "    3. **`.info` declarations** -- metadata that platforms rely on, "
+            "    3. **`.info` declarations**: metadata that platforms rely on, "
             "checked for accuracy",
             "",
         ]
@@ -3511,9 +3511,9 @@ def generate_gap_analysis(
     provenance (from cross_reference) into a single truth dashboard.
 
     Sections:
-    1. Verification status -- aggregated across all platforms
-    2. Problem files -- missing, untested, hash mismatch
-    3. Core complement -- emulator files not declared by any platform
+    1. Verification status, aggregated across all platforms
+    2. Problem files: missing, untested, hash mismatch
+    3. Core complement: emulator files not declared by any platform
     """
 
     from common import resolve_platform_cores

scripts/profile_sync.py

@@ -1186,7 +1186,7 @@ def verify_at_pin(
         return PartResult(part, "ANCHORED", None, None, None, [])
     # A ref that cites loading logic never spells the value out, so its absence
     # here proves nothing. Only finding the value somewhere else in the file
-    # shows the ref points at the wrong place -- and only a hash carries that
+    # shows the ref points at the wrong place, and only a hash carries that
     # weight. A filename fragment matches by coincidence: `tyrian2` hits every
     # line naming `tyrian2.c`, and a name built at runtime from a format
     # string appears nowhere at all.

scripts/slot.py

@@ -20,8 +20,8 @@ is reported undecidable and every candidate is kept: picking one would be the
 arbitrary selection this exists to remove.
 
 The scale is only meaningful inside one emulator's candidate set. When two
-profiles rank the same file differently -- pcsx1 walks scph1001 first while
-DuckStation prefers scph5501 -- the pack serves both cores, so neither order
+profiles rank the same file differently (pcsx1 walks scph1001 first while
+DuckStation prefers scph5501), the pack serves both cores, so neither order
 may win: the file is marked conflicting and its group stays undecidable.
 The same holds when one profile ranks a file and another declares it with no
 rank: the second core reads it by its own rule, which no rank expresses.

scripts/verify.py

@@ -1877,7 +1877,7 @@ def verify_emulator(
                 # An entry the profile documents as unsourceable is absent by
                 # design: a per-user key, a slot the user fills, a dump nobody
                 # has made. Counting it beside a file somebody could still
-                # find invites the wrong repair -- dropping the flag, or
+                # find invites the wrong repair: dropping the flag, or
                 # chasing a vendor's whole install tree.
                 unsourceable = file_entry.get("unsourceable")
                 if unsourceable:
@@ -1911,7 +1911,7 @@ def verify_emulator(
                     # Nothing in validation: caught it, but the name matched
                     # while the bytes contradict the hash the profile
                     # declares. That is a different file wearing the right
-                    # name -- config.ini and ROM collide across systems -- so
+                    # name (config.ini and ROM collide across systems), so
                     # calling it covered reports the collection as holding
                     # something it does not. Validation runs first because it
                     # names the specific field that disagrees.