diff --git a/src/shared/symbianutils/json.cpp b/src/shared/symbianutils/json.cpp
index 4171125ee97..1d7e96628b8 100644
--- a/src/shared/symbianutils/json.cpp
+++ b/src/shared/symbianutils/json.cpp
@@ -348,7 +348,7 @@ QByteArray JsonValue::toString(bool multiline, int indent) const
             break;
         case String:
             if (!m_name.isEmpty())
-                result += m_name + "=";
+                result += m_name + '=';
             result += '"' + escapeCString(m_data) + '"';
             break;
         case Number:
@@ -368,24 +368,24 @@ QByteArray JsonValue::toString(bool multiline, int indent) const
             if (multiline) {
                 result += "{\n";
                 dumpChildren(&result, multiline, indent + 1);
-                result += '\n' + ind(indent) + "}";
+                result += '\n' + ind(indent) + '}';
             } else {
-                result += "{";
+                result += '{';
                 dumpChildren(&result, multiline, indent + 1);
-                result += "}";
+                result += '}';
             }
             break;
         case Array:
             if (!m_name.isEmpty())
-                result += m_name + "=";
+                result += m_name + '=';
             if (multiline) {
                 result += "[\n";
                 dumpChildren(&result, multiline, indent + 1);
-                result += '\n' + ind(indent) + "]";
+                result += '\n' + ind(indent) + ']';
             } else {
-                result += "[";
+                result += '[';
                 dumpChildren(&result, multiline, indent + 1);
-                result += "]";
+                result += ']';
             }
             break;
     }
diff --git a/src/shared/symbianutils/tcftrkdevice.h b/src/shared/symbianutils/tcftrkdevice.h
index 1e0f94ce2bc..db58b27a98e 100644
--- a/src/shared/symbianutils/tcftrkdevice.h
+++ b/src/shared/symbianutils/tcftrkdevice.h
@@ -53,7 +53,7 @@ struct Breakpoint;
 
 /* Command error handling in TCF:
  * 1) 'Severe' errors (JSON format, parameter format): Trk emits a
- *     nonstandard message (\3\2 error paramaters) and closes the connection.
+ *     nonstandard message (\3\2 error parameters) and closes the connection.
  * 2) Protocol errors: 'N' without error message is returned.
  * 3) Errors in command execution: 'R' with a TCF error hash is returned
  *    (see TcfTrkCommandError). */
diff --git a/src/shared/symbianutils/tcftrkmessage.h b/src/shared/symbianutils/tcftrkmessage.h
index b9e2ac420f7..135349440e1 100644
--- a/src/shared/symbianutils/tcftrkmessage.h
+++ b/src/shared/symbianutils/tcftrkmessage.h
@@ -111,7 +111,7 @@ struct SYMBIANUTILS_EXPORT RunControlContext {
     QByteArray parentId; // Parent process id of a thread.
 };
 
-// Module load information occuring with 'RunControl contextSuspended' events
+// Module load information occurring with 'RunControl contextSuspended' events
 struct SYMBIANUTILS_EXPORT ModuleLoadEventInfo {
     ModuleLoadEventInfo();
     void clear();