diff --git a/src/floppy/fdd.c b/src/floppy/fdd.c
index 32cc2a570..351742b44 100644
--- a/src/floppy/fdd.c
+++ b/src/floppy/fdd.c
@@ -161,17 +161,17 @@ static const struct {
     { 86, FLAG_RPM_300 | FLAG_RPM_360 | FLAG_525 | FLAG_DS | FLAG_HOLE0 | FLAG_HOLE1 | FLAG_DOUBLE_STEP, "5.25\" 1.2M 300/360 RPM", "525_2hd_dualrpm" },
     /* 3.5" 1DD */
     { 86, FLAG_RPM_300 | FLAG_HOLE0 | FLAG_DOUBLE_STEP, "3.5\" 360k", "35_1dd" },
-    /* 3.5" DD */
+    /* 3.5" DD, Equivalent to TEAC FD-235F */
     { 86, FLAG_RPM_300 | FLAG_DS | FLAG_HOLE0 | FLAG_DOUBLE_STEP, "3.5\" 720k", "35_2dd" },
     /* 3.5" HD PS/2 */
     { 86, FLAG_RPM_300 | FLAG_DS | FLAG_HOLE0 | FLAG_HOLE1 | FLAG_DOUBLE_STEP | FLAG_INVERT_DENSEL | FLAG_PS2, "3.5\" 1.44M PS/2", "35_2hd_ps2" },
-    /* 3.5" HD */
+    /* 3.5" HD, Equivalent to TEAC FD-235HF */
     { 86, FLAG_RPM_300 | FLAG_DS | FLAG_HOLE0 | FLAG_HOLE1 | FLAG_DOUBLE_STEP, "3.5\" 1.44M", "35_2hd" },
     /* 3.5" HD PC-98 */
     { 86, FLAG_RPM_300 | FLAG_RPM_360 | FLAG_DS | FLAG_HOLE0 | FLAG_HOLE1 | FLAG_DOUBLE_STEP | FLAG_INVERT_DENSEL, "3.5\" 1.25M PC-98", "35_2hd_nec" },
-    /* 3.5" HD 3-Mode */
+    /* 3.5" HD 3-Mode, Equivalent to TEAC FD-235HG */
     { 86, FLAG_RPM_300 | FLAG_RPM_360 | FLAG_DS | FLAG_HOLE0 | FLAG_HOLE1 | FLAG_DOUBLE_STEP, "3.5\" 1.44M 300/360 RPM", "35_2hd_3mode" },
-    /* 3.5" ED */
+    /* 3.5" ED, Equivalent to TEAC FD-235J */
     { 86, FLAG_RPM_300 | FLAG_DS | FLAG_HOLE0 | FLAG_HOLE1 | FLAG_HOLE2 | FLAG_DOUBLE_STEP, "3.5\" 2.88M", "35_2ed" },
     /* End of list */
     { -1, -1, "", "" }