diff --git a/src/js/config/OperationConfig.js b/src/js/config/OperationConfig.js
index b88817cb..3eb1e614 100755
--- a/src/js/config/OperationConfig.js
+++ b/src/js/config/OperationConfig.js
@@ -3262,7 +3262,22 @@ var OperationConfig = {
         ]
     },
     "Sign PGP Detached": {
-        description: "",
+        description: [
+            "Input: The ASCII-armoured PGP private key of the signer, ",
+            " (and the private key password if necessary).",
+            "<br><br>",
+            "This operation uses PGP to produce a cleartext message and its digital signature. ",
+            "It outputs 3 files as HTML: ",
+            "the cleartext message (msg), ",
+            "the ASCII-armoured signature (msg.asc), and ",
+            "the raw bytes of the signature (msg.sig).",
+            "<br><br>",
+            "Pretty Good Privacy is an encryption standard (OpenPGP) used for encrypting, decrypting, and signing messages.",
+            "<br><br>",
+            "This function relies on OpenPGP.js for the implementation of PGP.",
+            "<br><br>",
+            "See more at https://openpgpjs.org/",
+        ].join("\n"),
         run: PGP.runSignDetached,
         inputType: "string",
         outputType: "HTML",
@@ -3280,7 +3295,18 @@ var OperationConfig = {
         ]
     },
     "Verify PGP Detached": {
-        description: "",
+        description: [
+            "Input: The ASCII-armoured PGP public key of the sender, ",
+            "the ASCII-armoured signature of the message.",
+            "<br><br>",
+            "This operation uses PGP to verify a detached cleartext PGP signature.",
+            "<br><br>",
+            "Pretty Good Privacy is an encryption standard (OpenPGP) used for encrypting, decrypting, and signing messages.",
+            "<br><br>",
+            "This function relies on OpenPGP.js for the implementation of PGP.",
+            "<br><br>",
+            "See more at https://openpgpjs.org/",
+        ].join("\n"),
         run: PGP.runVerifyDetached,
         inputType: "string",
         outputType: "string",
@@ -3388,7 +3414,21 @@ var OperationConfig = {
         ]
     },
     "Detach PGP Cleartext": {
-        description: "",
+        description: [
+            "Input: The PGP cleartext signature you want to detach.",
+            "<br><br>",
+            "This operation will detach the cleartext message from the signature.",
+            "It outputs 3 files as HTML: ",
+            "the cleartext message (msg), ",
+            "the ASCII-armoured signature (msg.asc), and ",
+            "the raw bytes of the signature (msg.sig).",
+            "<br><br>",
+            "Pretty Good Privacy is an encryption standard (OpenPGP) used for encrypting, decrypting, and signing messages.",
+            "<br><br>",
+            "This function relies on OpenPGP.js for the implementation of PGP.",
+            "<br><br>",
+            "See more at https://openpgpjs.org/",
+        ].join("\n"),
         run: PGP.runDetachClearsig,
         inputType: "string",
         outputType: "HTML",
@@ -3396,7 +3436,18 @@ var OperationConfig = {
         ],
     },
     "Add PGP ASCII Armour": {
-        description: "",
+        description: [
+            "Input: The raw PGP bytes of the message or key that you want to add ASCII-armour to, ",
+            "the kind of thing the raw bytes are: message / public key / private key.",
+            "<br><br>",
+            "This operation will output the ASCII-armoured input.",
+            "<br><br>",
+            "Pretty Good Privacy is an encryption standard (OpenPGP) used for encrypting, decrypting, and signing messages.",
+            "<br><br>",
+            "This function relies on OpenPGP.js for the implementation of PGP.",
+            "<br><br>",
+            "See more at https://openpgpjs.org/",
+        ].join("\n"),
         run: PGP.runAddArmour,
         inputType: "byteArray",
         outputType: "string",
@@ -3409,7 +3460,17 @@ var OperationConfig = {
         ],
     },
     "Remove PGP ASCII Armour": {
-        description: "",
+        description: [
+            "Input: The ASCII-armoured PGP message or key that you want to remove the ASCII-armour from.",
+            "<br><br>",
+            "This operation will output the raw bytes of the PGP packets.",
+            "<br><br>",
+            "Pretty Good Privacy is an encryption standard (OpenPGP) used for encrypting, decrypting, and signing messages.",
+            "<br><br>",
+            "This function relies on OpenPGP.js for the implementation of PGP.",
+            "<br><br>",
+            "See more at https://openpgpjs.org/",
+        ].join("\n"),
         run: PGP.runRemoveArmour,
         inputType: "string",
         outputType: "byteArray",