diff --git a/browser/devtools/profiler/cmd-profiler.jsm b/browser/devtools/profiler/cmd-profiler.jsm
index b8454febb4d6..e146626c502b 100644
--- a/browser/devtools/profiler/cmd-profiler.jsm
+++ b/browser/devtools/profiler/cmd-profiler.jsm
@@ -68,7 +68,8 @@ gcli.addCommand({
   params: [
     {
       name: "name",
-      type: "string"
+      type: "string",
+      manual: gcli.lookup("profilerStartManual")
     }
   ],
 
@@ -114,7 +115,8 @@ gcli.addCommand({
   params: [
     {
       name: "name",
-      type: "string"
+      type: "string",
+      manual: gcli.lookup("profilerStopManual")
     }
   ],
 
@@ -196,7 +198,8 @@ gcli.addCommand({
   params: [
     {
       name: "name",
-      type: "string"
+      type: "string",
+      manual: gcli.lookup("profilerShowManual")
     }
   ],
 
diff --git a/browser/locales/en-US/chrome/browser/devtools/gclicommands.properties b/browser/locales/en-US/chrome/browser/devtools/gclicommands.properties
index 6ff50cf24552..a912170ef1b2 100644
--- a/browser/locales/en-US/chrome/browser/devtools/gclicommands.properties
+++ b/browser/locales/en-US/chrome/browser/devtools/gclicommands.properties
@@ -1209,10 +1209,19 @@ profilerCloseDesc=Close the profiler
 # of the profiler start command.
 profilerStartDesc=Start profiling
 
+# LOCALIZATION NOTE (profilerStartManual) A fuller description of the 'profile name'
+# parameter. This parameter is used to name a newly created profile or to lookup
+# an existing profile by its name.
+profilerStartManual=Name of a profile you wish to start.
+
 # LOCALIZATION NOTE (profilerStop) A very short string used to describe the function
 # of the profiler stop command.
 profilerStopDesc=Stop profiling
 
+# LOCALIZATION NOTE (profilerStopManual) A fuller description of the 'profile name'
+# parameter. This parameter is used to lookup an existing profile by its name.
+profilerStopManual=Name of a profile you wish to stop.
+
 # LOCALIZATION NOTE (profilerList) A very short string used to describe the function
 # of the profiler list command.
 profilerListDesc=List all profiles
@@ -1221,6 +1230,11 @@ profilerListDesc=List all profiles
 # of the profiler show command.
 profilerShowDesc=Show individual profile
 
+# LOCALIZATION NOTE (profilerShowManual) A fuller description of the 'profile name'
+# parameter. This parameter is used to name a newly created profile or to lookup
+# an existing profile by its name.
+profilerShowManual=Name of a profile.
+
 # LOCALIZATION NOTE (profilerAlreadyStarted) A message that is displayed whenever
 # an operation cannot be completed because the profile in question has already
 # been started.