diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index 3367ec2..38282ff 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -160,13 +160,9 @@ jobs:
         uses: ./
         with:
           dotnet-version: 2.2.X
-      - name: Setup dotnet 3.0.*
-        uses: ./
-        with:
-          dotnet-version: 3.0.*
       - name: Verify dotnet
         shell: pwsh
-        run: __tests__/verify-dotnet.ps1 '2.2' '3.0' '3.1'
+        run: __tests__/verify-dotnet.ps1 '2.2' '3.1'
 
   test-setup-with-wildcard:
     runs-on: ${{ matrix.operating-system }}
diff --git a/action.yml b/action.yml
index bc40dab..4e29429 100644
--- a/action.yml
+++ b/action.yml
@@ -8,7 +8,7 @@ inputs:
   dotnet-version:
     description: 'Optional SDK version(s) to use. If not provided, will install global.json version when available. Examples: 2.2.104, 3.1, 3.1.x'
   dotnet-quality:
-    description: 'Optional quality of the build. The possible values are: daily, signed, validated, preview, GA.'
+    description: 'Optional quality of the build. The possible values are: daily, signed, validated, preview, ga.'
   global-json-file:
     description: 'Optional global.json location, if your global.json isn''t located in the root of the repo.'
   source-url:
diff --git a/dist/index.js b/dist/index.js
index e00d5b6..be51046 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -213,7 +213,7 @@ class DotnetVersionResolver {
     resolveVersionInput() {
         if (!semver_1.default.valid(this.inputVersion) &&
             !semver_1.default.validRange(this.inputVersion)) {
-            throw new Error(`'dotnet-version' was supplied in invalid format: ${this.inputVersion}! Supported syntax: A.B.C, A.B.C-D, A.B.x, A.B.X, A.B.*`);
+            throw new Error(`'dotnet-version' was supplied in invalid format: ${this.inputVersion}! Supported syntax: A.B, A.B.C, A.B.C-D, A.B.x, A.B.X, A.B.*`);
         }
         if (semver_1.default.valid(this.inputVersion)) {
             this.resolvedArgument.type = 'version';
@@ -222,12 +222,13 @@ class DotnetVersionResolver {
         else {
             this.resolvedArgument.type = 'channel';
             this.resolvedArgument.qualityFlag = true;
-            this.resolvedArgument.value = semver_1.default.validRange(this.inputVersion)
-                ? this.inputVersion
-                    .split('.')
-                    .slice(0, 2)
-                    .join('.')
-                : this.inputVersion;
+            if (semver_1.default.validRange(this.inputVersion)) {
+                let coercedVersion = semver_1.default.coerce(this.inputVersion);
+                this.resolvedArgument.value = (coercedVersion === null || coercedVersion === void 0 ? void 0 : coercedVersion.major) + "." + (coercedVersion === null || coercedVersion === void 0 ? void 0 : coercedVersion.minor);
+            }
+            else {
+                this.resolvedArgument.value = this.inputVersion;
+            }
         }
     }
     createVersionObject() {
@@ -344,11 +345,12 @@ class DotnetCoreInstaller {
         }
         else {
             if (IS_WINDOWS) {
+                core.addPath(DotnetCoreInstaller.installationDirectoryWindows);
                 core.exportVariable('DOTNET_ROOT', DotnetCoreInstaller.installationDirectoryWindows);
             }
             else if (IS_LINUX) {
-                core.exportVariable('DOTNET_ROOT', DotnetCoreInstaller.installationDirectoryLinux);
                 core.addPath(DotnetCoreInstaller.installationDirectoryLinux);
+                core.exportVariable('DOTNET_ROOT', DotnetCoreInstaller.installationDirectoryLinux);
             }
             else {
                 // This is the default set in install-dotnet.sh
diff --git a/src/installer.ts b/src/installer.ts
index 5f77618..83b2cf7 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -45,7 +45,7 @@ export class DotnetVersionResolver {
       !semver.validRange(this.inputVersion)
     ) {
       throw new Error(
-        `'dotnet-version' was supplied in invalid format: ${this.inputVersion}! Supported syntax: A.B.C, A.B.C-D, A.B.x, A.B.X, A.B.*`
+        `'dotnet-version' was supplied in invalid format: ${this.inputVersion}! Supported syntax: A.B, A.B.C, A.B.C-D, A.B.x, A.B.X, A.B.*`
       );
     }
     if (semver.valid(this.inputVersion)) {
@@ -54,12 +54,12 @@ export class DotnetVersionResolver {
     } else {
       this.resolvedArgument.type = 'channel';
       this.resolvedArgument.qualityFlag = true;
-      this.resolvedArgument.value = semver.validRange(this.inputVersion)
-        ? this.inputVersion
-            .split('.')
-            .slice(0, 2)
-            .join('.')
-        : this.inputVersion;
+      if (semver.validRange(this.inputVersion)) {
+        let coercedVersion = semver.coerce(this.inputVersion);
+        this.resolvedArgument.value = coercedVersion?.major + "." + coercedVersion?.minor;
+      } else {
+        this.resolvedArgument.value = this.inputVersion;
+      }
     }
   }
 
@@ -83,8 +83,8 @@ export class DotnetVersionResolver {
 export class DotnetCoreInstaller {
   private version: string;
   private quality: string;
-  static installationDirectoryWindows = path.join(process.env['PROGRAMFILES'] + '', "dotnet");
-  static installationDirectoryLinux = '/usr/share/dotnet';
+  static readonly installationDirectoryWindows = path.join(process.env['PROGRAMFILES'] + '', "dotnet");
+  static readonly installationDirectoryLinux = '/usr/share/dotnet';
 
   constructor(version: string, quality: string) {
     this.version = version;
@@ -204,17 +204,18 @@ export class DotnetCoreInstaller {
       core.exportVariable('DOTNET_ROOT', process.env['DOTNET_INSTALL_DIR']);
     } else {
       if (IS_WINDOWS) {
+        core.addPath(DotnetCoreInstaller.installationDirectoryWindows);
         core.exportVariable(
           'DOTNET_ROOT',
           DotnetCoreInstaller.installationDirectoryWindows
         );
       }
       else if (IS_LINUX) {
+        core.addPath(DotnetCoreInstaller.installationDirectoryLinux);
         core.exportVariable(
           'DOTNET_ROOT',
           DotnetCoreInstaller.installationDirectoryLinux
-        );
-        core.addPath(DotnetCoreInstaller.installationDirectoryLinux);
+        );        
       } else {
         // This is the default set in install-dotnet.sh
         core.addPath(path.join(process.env['HOME'] + '', '.dotnet'));