Fix some typos

Signed-off-by: Elyes Haouas <ehaouas@noos.fr>

src/modules/gamemode.cpp

@@ -55,7 +55,7 @@ Gamemode::Gamemode(const std::string& id, const Json::Value& config)
   }
   box_.set_spacing(iconSpacing);
 
-  // Wether to use icon or not
+  // Whether to use icon or not
   if (config_["use-icon"].isBool()) {
     useIcon = config_["use-icon"].asBool();
   }

src/modules/sway/workspaces.cpp

@@ -156,7 +156,7 @@ void Workspaces::onCmd(const struct Ipc::ipc_response &res) {
                     if (l == r || config_["alphabetical_sort"].asBool()) {
                       // In case both integers are the same, lexicographical
                       // sort. The code above already ensure that this will only
-                      // happend in case of explicitly numbered workspaces.
+                      // happened in case of explicitly numbered workspaces.
                       //
                       // Additionally, if the config specifies to sort workspaces
                       // alphabetically do this here.

src/util/sanitize_str.cpp

@@ -6,7 +6,7 @@
 namespace waybar::util {
 // replaces ``<>&"'`` with their encoded counterparts
 std::string sanitize_string(std::string str) {
-  // note: it's important that '&' is replaced first; therefor we *can't* use std::map
+  // note: it's important that '&' is replaced first; therefore we *can't* use std::map
   const std::pair<char, std::string> replacement_table[] = {
       {'&', "&amp;"}, {'<', "&lt;"}, {'>', "&gt;"}, {'"', "&quot;"}, {'\'', "&apos;"}};
   size_t startpoint;