diff --git a/objects/sigmf-expanded-recording/definition.json b/objects/sigmf-expanded-recording/definition.json
index d852864..e4254e5 100644
--- a/objects/sigmf-expanded-recording/definition.json
+++ b/objects/sigmf-expanded-recording/definition.json
@@ -40,7 +40,6 @@
       "description": "FFT plot of the signal",
       "disable_correlation": true,
       "misp-attribute": "attachment",
-      "multiple": true,
       "ui-priority": 0
     },
     "geolocation_alt": {
@@ -71,7 +70,6 @@
       "description": "Binary file of IQ samples",
       "disable_correlation": true,
       "misp-attribute": "attachment",
-      "multiple": true,
       "ui-priority": 0
     },
     "license": {
@@ -138,7 +136,6 @@
       "description": "Waterfall plot of the signal",
       "disable_correlation": true,
       "misp-attribute": "attachment",
-      "multiple": true,
       "ui-priority": 0
     }
   },
diff --git a/objects/sigmf-recording/definition.json b/objects/sigmf-recording/definition.json
index af68a0b..1bc98d8 100644
--- a/objects/sigmf-recording/definition.json
+++ b/objects/sigmf-recording/definition.json
@@ -4,7 +4,6 @@
       "description": "Binary file of IQ or RF samples (.sigmf-data)",
       "disable_correlation": true,
       "misp-attribute": "attachment",
-      "multiple": true,
       "ui-priority": 1
     },
     "SigMF-meta": {
@@ -14,7 +13,7 @@
       "ui-priority": 0
     }
   },
-  "description": "An object representing  a single IQ/RF sample in the Signal Metadata Format Specification (SigMF)",
+  "description": "An object representing a single IQ/RF sample in the Signal Metadata Format Specification (SigMF)",
   "meta-category": "misc",
   "name": "sigmf-recording",
   "required": [