diff --git a/emulators/ardens.yml b/emulators/ardens.yml
index 3fb3eb951..4471e18b5 100644
--- a/emulators/ardens.yml
+++ b/emulators/ardens.yml
@@ -67,6 +67,6 @@ platform_details:
     size: 1536
     note: |
       Empty flashcart header written to the first 1536 bytes of the
-      W25Q128 flash image during initialization. This is not a BIOS
-      file -- it is the default flash content the Arduboy FX expects
-      at the start of external storage.
+      W25Q128 flash image during initialization. It is the default flash
+      content the Arduboy FX expects at the start of external storage,
+      not a BIOS file.
diff --git a/emulators/atari800.yml b/emulators/atari800.yml
index cc18f11af..85a78c4c4 100644
--- a/emulators/atari800.yml
+++ b/emulators/atari800.yml
@@ -16,7 +16,7 @@ cores: [atari800]
 systems: [atari-400-800, atari-5200, xegs]
 
 # Atari800 emulates the Atari 8-bit family (400/800/XL/XE) and the 5200 console.
-# All BIOS files are optional -- the core ships built-in Altirra OS replacements
+# All BIOS files are optional. The core ships built-in Altirra OS replacements
 # (altirraos_800, altirraos_xl, altirra_5200_os, altirra_basic) compiled into the
 # binary. If real ROM files are found in the system directory they take priority.
 #
@@ -121,9 +121,8 @@ files:
     note: >
       Atari 400/800 OS Rev B (NTSC). CRC32 0x0e86d61d matches sysrom.c
       SYSROM_B_NTSC. Preferred over Rev A for 400/800 mode.
-      Note: .info lists md5 a3e8d617c95d08031fe1b20d541434b2 which is a
-      different dump (crc32 3e28a1fe) -- both in repo, the CRC32-matched
-      version is the one sysrom.c auto-detects.
+      The .info lists md5 a3e8d617c95d08031fe1b20d541434b2, a different
+      dump (crc32 3e28a1fe). sysrom.c detects the CRC32-matched one.
     source_ref: "source atari800/src/sysrom.c:91, source atari800/src/sysrom.c:286"
 
   # -- Atari XL/XE OS --
@@ -165,7 +164,7 @@ files:
 
   # -- XEGS Missile Command built-in game --
   # The XEGS had Missile Command in ROM (8 KB), CRC32: 0xbdca01fb
-  # No filename auto-match -- must be set via config or detected by CRC.
+  # No filename auto-match. It must be set via config or detected by CRC.
 
   - name: "XEGAME.ROM"
     path: "XEGAME.ROM"
diff --git a/emulators/cruzes.yml b/emulators/cruzes.yml
index eea7783c2..2c70bae54 100644
--- a/emulators/cruzes.yml
+++ b/emulators/cruzes.yml
@@ -17,7 +17,7 @@ systems:
 
 notes: |
   Unfinished Picross puzzle game, part of the libretro-samples repository.
-  No separate upstream -- written directly for the libretro API.
+  The libretro API is its only target, with no separate upstream.
 
   supports_no_game true (tests/cruzes/cruzes.c:772), valid_extensions "" (tests/cruzes/cruzes.c:749).
   Puzzle grid hardcoded in retro_init (tests/cruzes/cruzes.c:706-717) via load_challenge.
diff --git a/emulators/emux_chip8.yml b/emulators/emux_chip8.yml
index 34027feb2..1ef84b7fa 100644
--- a/emulators/emux_chip8.yml
+++ b/emulators/emux_chip8.yml
@@ -51,4 +51,3 @@ platform_details:
     note: |
       No external BIOS. The 80-byte character font is compiled into the
       binary as char_mem[] and memcpy'd into RAM[0x000] on every reset.
-      This is standard CHIP-8 behavior -- all interpreters embed the font.
diff --git a/emulators/fake08.yml b/emulators/fake08.yml
index a6a62586a..40f4c102c 100644
--- a/emulators/fake08.yml
+++ b/emulators/fake08.yml
@@ -30,8 +30,8 @@ notes: |
   binary as string constants (p8GlobalLuaFunctions.h, DefaultCart.h).
 
   When no ROM is passed (supports_no_game = true), the core queues its
-  built-in BIOS cart "__FAKE08-BIOS.p8" (platform/libretro/libretro.cpp:751). This is not
-  an external file -- it is generated internally by the VM.
+  built-in BIOS cart "__FAKE08-BIOS.p8" (platform/libretro/libretro.cpp:751). The VM
+  generates it internally, so no external file is read.
 
   The core accepts .p8 (text) and .png (cartridge-as-image) formats
   (platform/libretro/libretro.cpp:258). Content is loaded either via the libretro data buffer
diff --git a/emulators/freechaf.yml b/emulators/freechaf.yml
index a45926c2b..527674410 100644
--- a/emulators/freechaf.yml
+++ b/emulators/freechaf.yml
@@ -35,7 +35,7 @@ notes: |
   hle_state.psu1_hle and hle_state.psu2_hle (src/channelf_hle.c).
 
   The .info file declares all three firmware files as required (opt=false),
-  but the core does not abort on missing BIOS -- it falls back to HLE.
+  but the core does not abort on a missing BIOS. It falls back to HLE.
 
 files:
   - name: "sl31253.bin"
diff --git a/emulators/galaksija.yml b/emulators/galaksija.yml
index 746d1f918..12fe25ba0 100644
--- a/emulators/galaksija.yml
+++ b/emulators/galaksija.yml
@@ -20,7 +20,7 @@ systems:
 # Z80-based at 3.072 MHz, PAL 50fps, character-mode display (32x16 chars, 256x208 px).
 #
 # The core embeds all three firmware files compressed in rom.c (LoadCHRGENBIN,
-# LoadROM1BIN, LoadROM2BIN). External files are optional overrides -- if ANY of
+# LoadROM1BIN, LoadROM2BIN). External files are optional overrides. If ANY of
 # CHRGEN.BIN or ROM1.BIN is missing from <system_dir>/galaksija/, the core sets
 # firmware_ignore=true and loads all ROMs from the embedded copies instead.
 #
@@ -73,7 +73,7 @@ files:
     note: >
       Math extension ROM. Mapped at 0x1000-0x1FFF. Adds floating-point math
       functions (SIN, COS, TG, SQR, LN, EXP, POW, etc). Optional even when
-      loading from disk -- missing ROM2 only triggers a warning. Embedded in
+      loading from disk, where a missing ROM2 only triggers a warning. Embedded in
       rom.c as fallback.
     source_ref: "source src/rom.h:11, source src/libretro.c:107-110, source src/external/galaksija-emulator/src/init.c:83-92"
 
diff --git a/emulators/mesen.yml b/emulators/mesen.yml
index 54eb463e8..2114a0332 100644
--- a/emulators/mesen.yml
+++ b/emulators/mesen.yml
@@ -42,7 +42,7 @@ notes: |
 
   File path construction: retro_load_game() sets
   FolderUtilities::SetHomeFolder(systemFolder). All BIOS lookups use
-  CombinePath(GetHomeFolder(), filename) -- flat, no subdirectories.
+  CombinePath(GetHomeFolder(), filename), flat, with no subdirectories.
 
   No functional divergence between upstream and libretro for BIOS loading.
 
diff --git a/emulators/mgba.yml b/emulators/mgba.yml
index 30663a7fd..2f8be12e7 100644
--- a/emulators/mgba.yml
+++ b/emulators/mgba.yml
@@ -30,7 +30,7 @@ notes: |
   All BIOS files are optional. mGBA ships a built-in HLE BIOS for GBA
   (src/gba/hle-bios.c) that covers most software. The real BIOS improves
   accuracy (startup logo, some edge-case SWI behavior). There is no HLE
-  BIOS for GB/GBC/SGB -- those rely on GBSkipBIOS() if no file is found.
+  BIOS for GB/GBC/SGB, which rely on GBSkipBIOS() if no file is found.
 
   BIOS loading is controlled by two core options:
     mgba_use_bios (default ON)  - whether to look for BIOS files at all
diff --git a/emulators/pokemini.yml b/emulators/pokemini.yml
index 76efaa28c..12900eb5e 100644
--- a/emulators/pokemini.yml
+++ b/emulators/pokemini.yml
@@ -21,8 +21,8 @@ notes: |
 
   The core has an embedded FreeBIOS (open-source replacement) compiled
   directly into the binary from freebios/freebios.c. This means the
-  real BIOS is never strictly required -- games will run with FreeBIOS
-  alone, though compatibility may differ from the original firmware.
+  real BIOS is never strictly required. Games run with FreeBIOS alone,
+  though compatibility may differ from the original firmware.
 
   BIOS loading sequence in the libretro port:
 
diff --git a/emulators/px68k.yml b/emulators/px68k.yml
index 479d774b6..5d73c2efe 100644
--- a/emulators/px68k.yml
+++ b/emulators/px68k.yml
@@ -23,7 +23,7 @@ systems:
 #   1. Base path set to <system_dir>/keropi/ via file_setcd(winx68k_dir) at line 969
 #   2. IPL ROM: iterates BIOSFILE[] = {iplrom.dat, iplrom30.dat, iplromco.dat, iplromxv.dat}
 #      and opens the first file found. Reads 0x20000 bytes (128 KB) into IPL buffer.
-#      Returns 0 (failure) if none found -- core will not start.
+#      Returns 0 (failure) if none found, and the core does not start.
 #   3. SCSI check (WinX68k_SCSICheck): if IPL contains SCSI vectors at offset 0x30600-0x30c00,
 #      patches a fake SCSI BIOS stub at $fc0000 with "Human68k" signature.
 #   4. Byte-swaps IPL in 16-bit pairs (big-endian ROM on little-endian host).
@@ -32,7 +32,7 @@ systems:
 #
 # SRAM (x68k/sram.c:50-73):
 #   sram.dat is 16 KB of battery-backed SRAM, loaded on init and saved on cleanup.
-#   Not a BIOS -- runtime state. Created automatically if missing.
+#   Not a BIOS but runtime state. Created automatically if missing.
 #
 # Directory layout expected:
 #   <system_dir>/keropi/iplrom.dat     (or iplrom30.dat, iplromco.dat, iplromxv.dat)
@@ -41,7 +41,7 @@ systems:
 #   <system_dir>/keropi/config         (auto-created, core settings)
 
 files:
-  # IPL ROM -- the main system BIOS. The core tries four filenames in order and
+  # IPL ROM, the main system BIOS. The core tries four filenames in order and
   # uses the first one found. Only one is needed. iplrom.dat is the original X68000,
   # iplrom30.dat is X68030, iplromco.dat is X68000 Compact, iplromxv.dat is X68000 XVI.
 
@@ -87,7 +87,7 @@ files:
       Only used if the three other IPL variants are not found.
     source_ref: "source libretro.c:985"
 
-  # Font ROM -- character generator ROM for text rendering.
+  # Font ROM, the character generator ROM for text rendering.
 
   - name: "cgrom.dat"
     installed_on: [recalbox]
diff --git a/emulators/retrodream.yml b/emulators/retrodream.yml
index 0d0c76fba..a99dd0bdf 100644
--- a/emulators/retrodream.yml
+++ b/emulators/retrodream.yml
@@ -18,7 +18,7 @@ systems:
 
 notes: |
   Fork of the last GPLv3 release of redream (inolen) before it went closed-source.
-  The core has HLE bootstrap -- when boot.bin is missing, bios_invalid_instr()
+  The core has an HLE bootstrap. When boot.bin is missing, bios_invalid_instr()
   traps at PC=0x0 and calls bios_boot(), which loads IP.BIN and 1ST_READ.BIN
   directly from disc, sets up syscall vectors, and starts execution at 0xac008300.
 
diff --git a/tests/test_prose_style.py b/tests/test_prose_style.py
index d089e9f45..1d6e1c584 100644
--- a/tests/test_prose_style.py
+++ b/tests/test_prose_style.py
@@ -155,6 +155,17 @@ class NoGeneratedTypography(unittest.TestCase):
                     offenders.append(f"{path.relative_to(ROOT)}:{number}: {line.strip()[:100]}")
         self.assertEqual(offenders, [], "\n".join(offenders[:40]))
 
+    def test_no_double_hyphen_dash_in_profiles(self):
+        """GLYPHS sees U+2014, not its ASCII spelling: "No separate upstream --
+        written directly for the libretro API" reached the cruzes page as is."""
+        dash = re.compile(r"[A-Za-z0-9)] -- [A-Za-z0-9(]")
+        offenders = []
+        for path in sorted((ROOT / "emulators").glob("*.yml")):
+            for number, line in enumerate(path.read_text(encoding="utf-8").splitlines(), 1):
+                if dash.search(BACKTICKS.sub("", line)):
+                    offenders.append(f"{path.relative_to(ROOT)}:{number}: {line.strip()[:100]}")
+        self.assertEqual(offenders, [], "\n".join(offenders))
+
 
 class NoMarketingVocabulary(unittest.TestCase):
     """The project bans these words in published text, and nothing checked