diff --git a/examples/apps/cli/README.md b/examples/apps/cli/README.md
index c7b6ece27..41fe3b669 100644
--- a/examples/apps/cli/README.md
+++ b/examples/apps/cli/README.md
@@ -29,7 +29,7 @@ Active Timestamp: 1
 Channel: 13
 Channel Mask: 0x07fff800
 Ext PAN ID: d63e8e3e495ebbc3
-Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
 Master Key: dfd34f0f05cad978ec4e32b0413038ff
 Network Name: OpenThread-8f28
 PAN ID: 0x8f28
diff --git a/examples/platforms/efr32mg1/README.md b/examples/platforms/efr32mg1/README.md
index 2d60d6e32..17b5b655d 100644
--- a/examples/platforms/efr32mg1/README.md
+++ b/examples/platforms/efr32mg1/README.md
@@ -159,7 +159,7 @@ In the J-Link Device drop-down list select the serial number of the device to fl
    Channel: 13
    Channel Mask: 0x07fff800
    Ext PAN ID: d63e8e3e495ebbc3
-   Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+   Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
    Master Key: dfd34f0f05cad978ec4e32b0413038ff
    Network Name: OpenThread-8f28
    PAN ID: 0x8f28
diff --git a/examples/platforms/efr32mg12/README.md b/examples/platforms/efr32mg12/README.md
index 4e9fd00a4..1e978dfe4 100644
--- a/examples/platforms/efr32mg12/README.md
+++ b/examples/platforms/efr32mg12/README.md
@@ -172,7 +172,7 @@ In the J-Link Device drop-down list select the serial number of the device to fl
    Channel: 13
    Channel Mask: 0x07fff800
    Ext PAN ID: d63e8e3e495ebbc3
-   Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+   Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
    Master Key: dfd34f0f05cad978ec4e32b0413038ff
    Network Name: OpenThread-8f28
    PAN ID: 0x8f28
diff --git a/examples/platforms/efr32mg13/README.md b/examples/platforms/efr32mg13/README.md
index dc987dac9..f44b1b1f2 100644
--- a/examples/platforms/efr32mg13/README.md
+++ b/examples/platforms/efr32mg13/README.md
@@ -165,7 +165,7 @@ In the J-Link Device drop-down list select the serial number of the device to fl
    Channel: 13
    Channel Mask: 0x07fff800
    Ext PAN ID: d63e8e3e495ebbc3
-   Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+   Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
    Master Key: dfd34f0f05cad978ec4e32b0413038ff
    Network Name: OpenThread-8f28
    PAN ID: 0x8f28
diff --git a/examples/platforms/kw41z/README.md b/examples/platforms/kw41z/README.md
index bad951e07..310e84d74 100644
--- a/examples/platforms/kw41z/README.md
+++ b/examples/platforms/kw41z/README.md
@@ -63,7 +63,7 @@ Compiled binaries may be flashed onto the MKW41Z512 using drag-and-drop into the
    Channel: 13
    Channel Mask: 0x07fff800
    Ext PAN ID: d63e8e3e495ebbc3
-   Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+   Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
    Master Key: dfd34f0f05cad978ec4e32b0413038ff
    Network Name: OpenThread-8f28
    PAN ID: 0x8f28
diff --git a/examples/platforms/nrf528xx/nrf52811/README.md b/examples/platforms/nrf528xx/nrf52811/README.md
index 7bc20d507..1607ceb18 100644
--- a/examples/platforms/nrf528xx/nrf52811/README.md
+++ b/examples/platforms/nrf528xx/nrf52811/README.md
@@ -150,7 +150,7 @@ To test the example:
    Channel: 13
    Channel Mask: 0x07fff800
    Ext PAN ID: d63e8e3e495ebbc3
-   Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+   Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
    Master Key: dfd34f0f05cad978ec4e32b0413038ff
    Network Name: OpenThread-8f28
    PAN ID: 0x8f28
diff --git a/examples/platforms/nrf528xx/nrf52833/README.md b/examples/platforms/nrf528xx/nrf52833/README.md
index 153bebeda..fa377772b 100644
--- a/examples/platforms/nrf528xx/nrf52833/README.md
+++ b/examples/platforms/nrf528xx/nrf52833/README.md
@@ -189,7 +189,7 @@ To test the example:
    Channel: 13
    Channel Mask: 0x07fff800
    Ext PAN ID: d63e8e3e495ebbc3
-   Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+   Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
    Master Key: dfd34f0f05cad978ec4e32b0413038ff
    Network Name: OpenThread-8f28
    PAN ID: 0x8f28
diff --git a/examples/platforms/nrf528xx/nrf52840/README.md b/examples/platforms/nrf528xx/nrf52840/README.md
index 38533f8fd..127a90ea1 100644
--- a/examples/platforms/nrf528xx/nrf52840/README.md
+++ b/examples/platforms/nrf528xx/nrf52840/README.md
@@ -330,7 +330,7 @@ To test the example:
    Channel: 13
    Channel Mask: 0x07fff800
    Ext PAN ID: d63e8e3e495ebbc3
-   Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+   Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
    Master Key: dfd34f0f05cad978ec4e32b0413038ff
    Network Name: OpenThread-8f28
    PAN ID: 0x8f28
diff --git a/examples/platforms/samr21/README.md b/examples/platforms/samr21/README.md
index 1766f3098..79b64534d 100644
--- a/examples/platforms/samr21/README.md
+++ b/examples/platforms/samr21/README.md
@@ -124,7 +124,7 @@ $ (gdb) c
    Channel: 13
    Channel Mask: 0x07fff800
    Ext PAN ID: d63e8e3e495ebbc3
-   Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+   Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
    Master Key: dfd34f0f05cad978ec4e32b0413038ff
    Network Name: OpenThread-8f28
    PAN ID: 0x8f28
diff --git a/src/cli/README_COMMISSIONING.md b/src/cli/README_COMMISSIONING.md
index b108eaac7..f01381861 100644
--- a/src/cli/README_COMMISSIONING.md
+++ b/src/cli/README_COMMISSIONING.md
@@ -34,7 +34,7 @@ Form a network with the device that has Commissioner support.
    Channel: 13
    Channel Mask: 0x07fff800
    Ext PAN ID: d63e8e3e495ebbc3
-   Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+   Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
    Master Key: dfd34f0f05cad978ec4e32b0413038ff
    Network Name: OpenThread-8f28
    PAN ID: 0x8f28
@@ -120,7 +120,7 @@ Form a network with the device that has Commissioner support.
    Channel: 13
    Channel Mask: 0x07fff800
    Ext PAN ID: d63e8e3e495ebbc3
-   Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+   Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
    Master Key: dfd34f0f05cad978ec4e32b0413038ff
    Network Name: OpenThread-8f28
    PAN ID: 0x8f28
diff --git a/src/cli/README_DATASET.md b/src/cli/README_DATASET.md
index a5544083a..3b25167b7 100644
--- a/src/cli/README_DATASET.md
+++ b/src/cli/README_DATASET.md
@@ -39,7 +39,7 @@ The Pending Operational Dataset is used to communicate changes to the Active Ope
    Channel: 13
    Channel Mask: 0x07fff800
    Ext PAN ID: d63e8e3e495ebbc3
-   Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+   Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
    Master Key: dfd34f0f05cad978ec4e32b0413038ff
    Network Name: OpenThread-8f28
    PAN ID: 0x8f28
@@ -98,7 +98,7 @@ After the device successfully attaches to a Thread network, the device will retr
    Channel: 13
    Channel Mask: 0x07fff800
    Ext PAN ID: d63e8e3e495ebbc3
-   Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+   Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
    Master Key: dfd34f0f05cad978ec4e32b0413038ff
    Network Name: OpenThread-8f28
    PAN ID: 0x8f28
@@ -175,7 +175,7 @@ Active Timestamp: 1
 Channel: 13
 Channel Mask: 0x07fff800
 Ext PAN ID: d63e8e3e495ebbc3
-Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
 Master Key: dfd34f0f05cad978ec4e32b0413038ff
 Network Name: OpenThread-8f28
 PAN ID: 0x8f28
@@ -364,7 +364,7 @@ Channel: 16
 Channel Mask: 0x07fff800
 Delay: 58706
 Ext PAN ID: d63e8e3e495ebbc3
-Mesh Local Prefix: fd3d:b50b:f96d:722d/64
+Mesh Local Prefix: fd3d:b50b:f96d:722d::/64
 Master Key: dfd34f0f05cad978ec4e32b0413038ff
 Network Name: OpenThread-8f28
 PAN ID: 0x8f28
diff --git a/src/cli/cli_dataset.cpp b/src/cli/cli_dataset.cpp
index 9c9db0a9d..05ca042be 100644
--- a/src/cli/cli_dataset.cpp
+++ b/src/cli/cli_dataset.cpp
@@ -117,7 +117,7 @@ otError Dataset::Print(otOperationalDataset &aDataset)
     {
         const uint8_t *prefix = aDataset.mMeshLocalPrefix.m8;
         mInterpreter.mServer->OutputFormat(
-            "Mesh Local Prefix: %x:%x:%x:%x/64\r\n", (static_cast<uint16_t>(prefix[0]) << 8) | prefix[1],
+            "Mesh Local Prefix: %x:%x:%x:%x::/64\r\n", (static_cast<uint16_t>(prefix[0]) << 8) | prefix[1],
             (static_cast<uint16_t>(prefix[2]) << 8) | prefix[3], (static_cast<uint16_t>(prefix[4]) << 8) | prefix[5],
             (static_cast<uint16_t>(prefix[6]) << 8) | prefix[7]);
     }
diff --git a/tests/scripts/expect/cli-dataset.exp b/tests/scripts/expect/cli-dataset.exp
index 5d5867d72..63addc72c 100755
--- a/tests/scripts/expect/cli-dataset.exp
+++ b/tests/scripts/expect/cli-dataset.exp
@@ -39,7 +39,7 @@ expect -re {Channel: (\d+)}
 set channel $expect_out(1,string)
 expect -re {Channel Mask: 0x[0-9a-f]{8}}
 expect -re {Ext PAN ID: [0-9a-f]{16}}
-expect -re {Mesh Local Prefix: ([0-9a-f]{1,4}:){3}[0-9a-f]{1,4}\/64}
+expect -re {Mesh Local Prefix: ([0-9a-f]{1,4}:){3}[0-9a-f]{1,4}::\/64}
 expect -re {Master Key: [0-9a-f]{32}}
 expect -re {Network Name: [^\r\n]+}
 expect -re {PAN ID: 0x[0-9a-f]{4}}
@@ -90,7 +90,7 @@ if {$channel == 11} {
 expect "Channel Mask: 0x03fff800"
 expect -re {Delay: \d+}
 expect "Ext PAN ID: aabbccddeeff0011"
-expect "Mesh Local Prefix: fdde:4860:0:0/64"
+expect "Mesh Local Prefix: fdde:4860:0:0::/64"
 expect "Master Key: aabbccddeeff00112233445566778899"
 expect "Network Name: OT-network"
 expect "PAN ID: 0xface"
@@ -112,7 +112,7 @@ if {$channel == 11} {
 }
 expect "Channel Mask: 0x03fff800"
 expect "Ext PAN ID: aabbccddeeff0011"
-expect "Mesh Local Prefix: fdde:4860:0:0/64"
+expect "Mesh Local Prefix: fdde:4860:0:0::/64"
 expect "Master Key: aabbccddeeff00112233445566778899"
 expect "Network Name: OT-network"
 expect "PAN ID: 0xface"
@@ -132,7 +132,7 @@ if {$channel == 11} {
 }
 expect "Channel Mask: 0x03fff800"
 expect "Ext PAN ID: aabbccddeeff0011"
-expect "Mesh Local Prefix: fdde:4860:0:0/64"
+expect "Mesh Local Prefix: fdde:4860:0:0::/64"
 expect "Master Key: aabbccddeeff00112233445566778899"
 expect "Network Name: OT-network"
 expect "PAN ID: 0xface"